Probability and Statistics: Probability Word Problems
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Probability and Statistics: Probability WordProblems
A cheese pizza can be ordered
A cheese pizza can be ordered with some, all, or none of the following toppings: sausage, pepperoni, ham, peppers, mushrooms, olives, anchovies, pineapple, and ...
A bag contains 3 red, 4 green and 3 yellow marbles
A bag contains 3 red, 4 green and 3 yellow marbles. These marbles are randomly drawn from the bag. What is the probability that they are of
(i) the same colour
(ii) different colours(one of each colour)
A mall has 12 clothing stores
A mall has 12 clothing stores, 9 shoe stores and 5 electrical stores. In how many ways can a person shopping at this mall go to 5 clothing ...
A jar of marbles contains 6 yellow and 8 red marbles
A jar of marbles contains 6 yellow and 8 red marbles. Three marbles are selected at random.
a) How many different groups of three marbles are possible?
b) How many groups of three marbles will contain only red ...
Test for high school students
Test for high school students with a 3.50 to 4.00 grade point average were normally distributed, with a mean of 38.8 and a standard diviation of 1.9. A student with a 3.5 to 4.00 grade point average who took the standarized tes is randomly ...
30% of a firm`s orders come from new customers
30% of a firm's orders come from new customers. A simple random sample of 100 orders will be used to estimate the proportion of new customers. Find probability that sample proportion will be between 0.22 and 0...
In France, years of life expectancy
In France, years of life expectancy are normally distributed with a mean of 81 years and a standard deviation fo seven years. For the French population:
a) What is the probability of living 92 years or ...
John wants to paint four rooms
John wants to paint four rooms in his house, each a different color and he may choose from seven different colors of ...
There are three sections of science class available
There are three sections of science class available at the convinient times for student. There is 24% chance from Professor Praful to give final exam, 15% chance for professor Ron, and 8% chance for Professor Sam to give final exam. At other times there are two maths classes, and in those the probability to give final exam is 2% and 10%...
A bag contains 6 blue discs
A bag contains 6 blue discs, 10 orange discs and 4 red discs. If a disc is picked at random, what is the probability of getting :
A barrel contains only apples and oranges
A barrel contains only apples and oranges. There are twice as many apples as oranges. The apples are either red or yellow and 4 times as many red as are yellow. If one piece of fruit is to be drawn at random from the ...
Lisa is planning the seating
Lisa is planning the seating for a head table at a gala. The eight speakers will all be seated along one side of the table. Richard wants to be sit beside Hang, and lisa knows that Thomas and Lily should not be seated together, as they have just broken ...
43% are wearing seatbelt
43% are wearing seatbelt and 57% are not wearing seatbelt. Randomly pick 2 people. What is probability that both will be wearing seatbelt
In how many ways can 7 boys
In how many ways can 7 boys be seated at a round table so that two particulars boys are next to each other?
Steve and Joe were discussing
Steve and Joe were discussing how many different five-card combinations of standard playing cards have exactly two ...
The letters of the word
The letters of the word STATISTICS are written on ten cards. If two cards are drawn at random, what is the probability that
1) one S and one T will occur
2) two T will occur
There are 3 bags of apples
There are 3 bags of apples, one has two green apples, one has two red apples and one has 1 green and 1 red apple. All three bags are mislabeled. You may look at only one apple from any one of the ...
Two cards are simultaneously drawn from an ordinary ...
If the chances of snow or sleet last Saturday
If the chances of snow or sleet last Saturday was three out of ten and the chance of snow or sleet this Saturday was four out of ten what were the chances of snow or sleet happening both weeks?
A student notices that if he is late
A student notices that if he is late for college on one day, he is three times more likely to be late on the next day. If he is early on one day, he is equally likely to be early or late on the next day.
Draw a tree diagram to show all the possible outcomes for three successive days. ( Assume that the student was early on the day before the 3 days under consideration.)
If there are 25 names in a hat
If there are 25 names in a hat, 15 girl’s names and 10 boy’s names, what is the probability that a name drawn at random will be
I. a girl’s name
II. a boy’s name
III. not a girl’s name
IV. not a boy’s name
29 out of 200 chickens contaminated. If chicken infected, test will return positive 80% of the time. If chicken not infected, test will return "false" positive 5% of the time.
If test is ...
Of the 148 students honored at an academic banquet
Of the 148 students honored at an academic banquet, 40 won awards for mathamatics and 82 for English. One of the 148 students is chosen at random to be inter viewed for a newspaper article. What is the probability that the student won an award in matematics or ...
Kate has a red pair of shoes
Kate has a red pair of shoes, a blue pair of shoes, and a green pair of shoes. She has a yellow and an orange ...
A bag contains five red candies
A bag contains five red candies, six white candies, and seven blue candies. Suppose one piece of candy is drawn at random. Find the probability of each of the following.
a. A white candy is drawn.
b. A red or blue candy is drawn.
A drawer contains 4 blue socks
A drawer contains 4 blue socks, 6 gray socks, and 8 black socks. You randoml choose one sock, then another from the ...
In a certain high school 65% of students
In a certain high school 65% of students own cell phonoes. 35% own MP3 players. 20% own both cell phones and MP3 players. Identify the probability that a student has either a ceell phone or an MP3 players. Identify the paobaility that a student has only an MP3 ...
In a fair game two guys bet
In a fair game (50/50 chance of winning) two guys bet $100 each. The first one to win 6 games takes the pot. They decided to stop when A had won 5 games and B had won 3 ...
Jim sells soup at his stand
Jim sells soup at his stand. He sells lentil, split pea, and navy bean soup. They also come in four different ...
During a root enzyme experiment
During a root enzyme experiment, Grace determined the dry weight of mustard roots so she could make some calculations. These were pretty small mustard plants so she had to use a good balance to get the data. She measured one set (A) of roots and obtained masses of 0.06, 0.09, 0.08, 0.05, and 0.05 grams. Another set (B) had masses of 0.1, 0.11, 0.09, 0.11, and 0.04 ...
There are 3 sky blue marbles
There are 3 sky blue marbles and 3 hot pink marbles in a bag. What is the probability that I will draw out 1 sky blue ...
A jar on your desk contains twelve black
A jar on your desk contains twelve black, eight red, ten yellow and five green jelly beans. You pick a jelly bean without looking. Find
a) the probability that it is red or black
b) the probability that it is not yellow
c) the odds of picking a green jelly bean
d) the odds in a favor of picking a red or black jelly bean
A hat contains 26 names
A hat contains 26 names, 16 of which are male. If six names are randomly drawn from the ...
A drawer contains 8 red socks
A drawer contains 8 red socks, 3 white socks, and 5 blue socks. Without looking, you draw out a sock and then draw out a second sock without returning the first ...
One-fourth of the residents of the Burning Ridge Estates
One-fourth of the residents of the Burning Ridge Estates leave their garage doors open whe they are away from home. The local cheif of police estimates 5 percent of the garages open will have something stolen, but only 1 percent of those closed will have something stolen. If a garage is ...
76% of second grade girls
76% of second grade girls are taller than 40 inches, the average height of second grade girls is 42 ...
The probability that San Francisco plays
The probability that San Francisco plays in the next Super Bowl is nine times the probability that they do not play in the next Super Bowl. The probability that San Francisco plays in the next Super Bowl plus the probability that they do not play is 1...
A drawer has 6 gray socks
A drawer has 6 gray socks, 4 blue, 5 black, and 9 white socks. You are looking for a pair of socks, so you take one, put it aside, and then take another ...
An office consists of 80 employees
An office consists of 80 employees: 20 of them are male, and 56 of them are from NJ. If the events of selecting a male and selecting a NJ resident are independent, how many of the employees are male NJ residents? Hint: make a 2x2 table with rows ...
Adam has a bag of marbles
Adam has a bag of marbles. There are 5 red marbles, 6 blue marbles and 2 yellow marbles. If he takes one marble out of his bag at ...
A deck of cards has 5 purple
A deck of cards has 5 purple, 4 gray, and 6 green cards. You pick 4 cards from the deck. Cards are not returned to the deck after they are picked. P (four purple cards in a row)
A recruiting firm finds that 30% of the applicants
A recruiting firm finds that 30% of the applicants for a certain industrial job have advanced training in computer programming. Applicants are interviewed sequentially and selected at random from the ...
Find the probability of each outcome
Find the probability of each outcome if two marbles are selected from the bag containing 3 red marbles, 4 blue marbles, and 2 green marbles. the first marble is not replaced before the second marble is selected
- selecting a blue marble first
- selecting a yellow marble first
- selecting a red marble followed by a blue marble
- selecting a green marble after selecting two marbles that are not green
A jar contains 7 red marbles
A jar contains 7 red marbles, 7 pink marbles, and 13 blue marbles. If a marble is selected at random, what is the probability that it is blue?.
You have 8 DVDs
You have 8 DVDs: 2 science fiction, 2 western, 3 comedy, 1 drama. If you choose the DVDs at ...
Hank has 34 green lures
Hank has 34 green lures, 42 silver lures, 18 orange lures, and 23 yellow lures in his fishing box. If he grabs 1 fishing lure without ...
A jar contains 5 blue marbles
A jar contains 5 blue marbles, 8 red marbles, 4 white marbles, and 3 purple marbles. Suppose you pick a marble at random without looking. Find P (blue or purple)...
The probability that San Fransisco plays
The probability that San Fransisco plays in the next Super Bowl is nine times the probability that they do not play in the next Super Bowl. The probability that San Fransisco plays in the next Super Bowl plus the probability that they do not play is ...
A shoebox has 4 green cubes
A shoebox has 4 green cubes, 3 purple cubes, and 5 orange cubes. Whats the probability of:
a.) P(2 purple cubes)
b.) P(2 cubes of the same color)
c.) P( 1 green, 1 purple)
d.) P( at least 1 orange cube or 1 purple cube)
Jukebox contains only 3 records
Jukebox contains only 3 records: blue moon, blue suede shoes, and blue monday, probability that blue moon is playing is 1/6 and probability blue suede shoes is playing is1/3...
Martha has six brown socks
Martha has six brown socks and eight black socks. If she randomly selects two socks from the drawer ...
In a bag there are three coloured balls
In a bag there are three coloured balls, one red, one blue, and one green. A ball is selected, the colour recorded and replaced. A second ball is selected and the colour recorded.
Show in a tree diagram all the possible combined outcomes.
List these combined outcomes.
Work out the probability of selecting 2 red ...
Two cards are chosen at random
Two cards are chosen at random (uniformly) from a 52 card deck. Find the probabilities of the following events.
(a) Both cards are red.
(b) One card is an even number, 2-10, while the other is a spade.
(c) One card is black, while the other is a face card (jack, queen or king).
(d) Either both the cards are black, or both the cards are face cards (...
Teacher knows that 80 percent of the students
Teacher knows that 80 percent of the students will complete the assigned problems. She has also determined that among those who do their assignments, 90 percent will pass the course. Among those students who do their homework, 60 percent will pass. Mike Fishbaugh took statistics last year and ...
If the city of Esperanza is 9000 miles from Davao
If the city of Esperanza is 9000 miles from Davao, and Davao is 9000 miles from New York City, what is the probability that New York City is closer to Esperanza than Davao? (Circumference of the earth is 24,900 miles)
Suppose that 49% of the women who gave birth
Suppose that 49% of the women who gave birth at a certain hospital last year were over 30 years old, and that 47% were unmarried. If 74% of the women were over 30 or unmarried (or both)...
A cafe lunch menu offers a choice of a sandwich or salad, and four types of soup. Find the number of different combinations of a sandwich of salad, and a ...
sixteen teams are competing in a soccer match. gold, silver, and bronze medals will be awarded to the top three ...
a group of eight women and six men must select a four-person committee. How many committees are possible if it must consist of the following?
a) any mixture of men and women
Julia is wrapping presents to give to her friends. She has 6 different kinds of boxes, 9 different types of wrapping paper, and 11 different colors of ...
there are 5 different floor plans, four exterior colors, and an option of a two-car or three car ...
Six students are seated in a row in a movie ...
Five varieties of flowers. They are being arranged in vases of three flowers. how many combinations can be made from the five varities of flowers
A girl wants to know how many combinations of four vegetable seeds that she can plant if she has tomatoes, cucumbers, beans, peas, carrot, & lettuce,
You want to purchase 3 CDs from an online collection that contains 3 types of music shown at right. You want each Cd to contain a different type of music such that 2 CDs are different types of contemporary music and one CD is a different type of classical ...
from a group of 2 boys and 8 girls, a boy and a girl will be selected to attend a conference. in how many posible ways can the selection be made
I went to the petting zoo and saw 32 animals. If I saw hares, ...
andrella is taking fencing and singing lessons at winter camp.fencing lessons are$14 per lessons. skiing lessons are $19 per lessons.Andrella has spent $207 on lessons so far.how many of each type of lessons has she had
4 students are to be selected monitors from a class of 36. in how many ways can they be selected
Daphne stares wide-eyed at the display of stickers before her in the stationery store. She has $1.50 in babysitting money to spend on stickers. The unicorn sticker costs 80 cents, the rainbow sticker costs 70 cents, the teddy bear sticker is 40 cents, the whale sticker is 25 cents, and the ice-cream soda sticker is 15 cents. How many different combinations of stickers could Daphne buy with her $1...
how many 3 topping pizzas could be made if you have 10 toppings to choose from
An insurance company has six branches in six ...
a man has six sports jackets, eight shirts, and four pairs of slacks. how many choices of outfits, consisting of one sports jacket, one ...
In how many ways can a team of 4 players be chosen from a squad of 6 players
When the science group containing six children leaves the main class once a week for special instruction, the science teacher lines up the students and leads them to the science ...
A shipment of 50 television sets contains 4 defective ...
the US senate consists of 100 senators, two from eaach state. a committee consisting of five senators is to be ...
Baskin Robbins has 31 flavors of ice cream. If each member in a family of five is to order one scoop of ice cream in a ...
I want to buy some long-sleeved and short-sleeved shirts. I have only $60 to spend. A short-sleeved shirt costs $10. A long sleeved shirt costs $15...
How many different arrangements can be made with the letters from the word MOVE?
How many combinations are there of 7 things taken 6 at a time?
How to find the number of distinguishable permutations of the letters ORANGE.
In how many different ways can a panel of 12 jurors and 2 alternates be chosen from a group of 17 prospective jurors?
how many ways can you put 5 stamps so they are always attached
How many different license plates can be made from a three letter combination followed by a
three digit number if the three digit number can start with any digit including 0.
4 cards are drawn in succession and without replacement from a standard deck of 52 ...
there are 5 different choices of carpet, 2 choices for pools, 2 choices for porches, and 3 choices for ...
susie, krissy and kate walk into a pet store, each to select a puppy to take home. The pet store has a total of 12 ...
Three apples cost as much as 4 pears. 3 pears cost as much as 2 ...
If an apple costs $0.33 and an orange costs $0.52. How many of each can they buy for exactly $5.00
There are 2 Alphas for every 3 betas, 4 betas for every 5 deltas, and 1 delta for every 6 ...
find the number of permutation of the word ALLAHABAD
a truck route must include stops at 3 cities. the route is randomly selected find the probability that the cities will be arranged alphabetical order
How many permutations can you arrange the letters t-z into groups of four
a parent teacher committee consisting of 4 people is to be formed from 20 parents and 5 ...
How many ways can a chairman, a ...
Find the probability that at least two people in a group of 14 have their birthdays in the same month?
Five different varieties of flowers are growing in the garden.: carnations, roses, mums, marigolds, and lilies. Peter and Juanita are responsible for picking flowers and arranging them in vases to sell. They use three different types of flowers in each ...
At a cookout community members can have a meal using any combination of 9 sides and 4 different main dishes. Rythia wants a meal with 3 different sides and grilled ...
If ten athletes are running the 100 meter das, how many ways can the gold, ...
red paper and green paper, also have red ribbon and gold name tag. How many combinations
Your class if havingan election. There are 3 candiates for president, 5 for vice president, 2 for secretary, and 6 for treasurer. How many election results are possible
How many ways are there to cjhoose 14 jurors from 22 people
in how many ways can nine mopeds be parked in a row?
A building access code is made up of five English letters followed by five numbers from the set (0,1,2,....,8,9)...
For the daily lottery game in Illinois, participants select three numbers between 0 and 9. A number cannot be selected more than once, so a winning ticket could be, say, 307. Purchasing one ticket allows you to select one set of numbers. The winning numbers are announced on TV each night.
How many different outcomes (three-digit numbers) are possible if order matters?
If you purchase a ticket for the game tonight, what is the likelihood you will win?
Suppose you purchase three tickets for tonight's drawing and select a different number for each ...
From a box or 10 light bulbs, 4 are to be ...
Talk show host Ralph Blowhard has exactly one guest on his show each day, and Blowhard’s show airs every Monday through Friday. Blowhard always schedules politicians on Mondays and Wednesdays, Actors on Tuesdays and Athletes on Thursdays, but can have a guest of any one of these three kinds on Friday. No guest appears more than once per week on Blowhard’s show. If Blowhard has five politicians, three actors and six athletes he could invite, and if no politician is also an actor or an athlete and no actor is also an ...
Shawn took two pairs of shoes, five pairs of pants, and six shirts on a trip. Assuming all items are ...
three men and three women are going to all be in a group ...
how many five digit numbers can you make with distinct numbers
At a track meet, 42 students entered the 100-m race. In how many ways can first , ...
4. Aisha has six different job interviews to schedule for next week. If we call the six companies A, B, C, D, ...
a state uses only the even digits 0 2 4 6 8 to create license ...
How many distinct license plates can be issued consisting of one letter followed by a three-digit number?
The Dynamite uniform had a jersey, shorts, and a headband. Each piece came in three colors-red, blue, and gold. Katie wanted to wear two read pieces. Kerry would have been happy if they each wore a blue jersey and blue shorts. Kathy just wanted to be able to wear at least one gold piece.
How many possible combinations did Katie have to pick from? Which girl was most likely to get her choice? Why
The teacher prepares a test where there are 5 objective questions, but only a minimum of 4 must be answered. Find the total ways in which they can be answered ...
if each # and & can be replaced by +...
the parkhursts used 160 yds of fencing to enclose a rectangular corral and to divide it into two parts by a fence parallel to one of the shorter ...
if you are dealt 4 cards from a shuffled deck of 52 cards find the probability that all 4 are hearts
if the probability of picking a brown sock from your drawer is 0.4, and if you randomly picked 15 socks out of the ...
if a student randomly guesses at five multiple- choice questions, find the probability that the student gets exactly 3 ...
A shop stocks three flavours of tinned cat food - Tuna, Chicken and Lamb - in the ratio 2:3:5. Each flavour comes in two sizes, large and small. Twenty percent of Tuna tins are large: the cooresponding figures for Chicken and Lamb are 30% and 50%...
A new computer graphics company employs 10 programmers. The company decides to expand into digital animation and needs to transfer 3 of the programmers into the new ...
a container contains 8 red marbles, 4 blue marbles, and 3 white marbles. if 2 marbles are drawn one at a time without replacement, find the probability that they are both the same color
How many groups are possible if any number (at least 1)
up to 3 representatives can form a group? (Each department
is still restricted to at most one representative.)
from a group of six people, two individuals are to be selected at ...
a bag contains 2 green,9 brown,7 yellow and 4 blue marbles. once a marble is selected it is not replaced. find the probability of P(brown,then yellow)
according to recent statistics 66% of people eat breakfast. I fthe marketers sends out samples to 10 poeple selected at random> Find the probability using the binomial probability distribution formula
A contractor wishes to build 9 houses each different in ...
A jar on your desk contains 10 black, 7 red, 10 yellow, and 5 green jellybeans. You pick a jelly bean without looking. Find the probability that it is black
Two dice are thrown at the same time, then their numbers showing on top are added ...
on a particular night at a restaurant there is a special in which you can choose a dinner consisting of a cup of soup, one entree, one dissert, and a beverage,all for only $4.95. There are 4 kinds of soup, 10 entrees, 6 desserts and 3 different ...
a bag of jelly beans 18 red, 12 green, 10 purple, 6yellow and 4 orange find the probabily of selecting a green jellybeans
Ten individuals are candidates for positions of president, vice president of an ...
a bag containing 2 red marbles, 6 green ones, 3 white ones, and 4 purple ones. She grabs 9 of ...
sixty-nine percent of household heads play video or computer games. Choose 4 heads at random. Find the probability that
a. none play video or computer games
b. all four do
Assume that the weight loss for the first two months of a diet program has a uniform distrbiution over the interval 6 to 12 pounds. Find the probability that a person on this diet loses more than 11 pounds in the first two months
If a baseball player's batting average is 0.340 or 34%...
if there are 12 cars how many cars are there
xonsider the experiment of rolling a single die. find the probability of the event ...
A bag contains 6 apples and 4 oranges. If you select 5 pieces of fruit without ...
At a party attended by couples only, everyone other than the host had shaken hands a different number of ...
the hardware store sells both wood and metal screws in 4 different head widths and 3 different shank ...
There are 4 blue and 12 white marbles in a ...
from a bag containing 6 white marbles and 8 blues marbles, 4 marbles are chosen at random. find the probability that 2 white and 2 blue marbles are chosen
find the probability of drawing two red marbles (without replacement) from a bag containing one green, two ...
A drawer contains 4 blue socks, 6 gray socks, and 8 black socks. You randomly choose one sock, then another from the ...
A local community college offers 5 English courses, 5 computer-related courses, and 5 other types of ...
If you were an alien, and wanted to abduct a male and female of the human species and your ship was hovering over a county with 338...
The Jurassic Zoo charges $28.00 for each adult admission and $12.00 for each child. The total bill for 254 people from a school trip was $3864.00...
if hank flips two coins and rolls two dice, how many permutations are possible
One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are away from home. The local chief of police estimates that 5 percent of the garages with open doors will have something stolen, but only 1 percent of those closed will have something stolen. If a garage is ...
Mrs. Sander's students are competing to see who can sell the most candy bars to help raise money for their class. The table below shows the 6 ranges that the students fall into and how many students are in each range.
Number of Candy Bars Sold 0-15 16-30 31-45 46-60 61-75
Number of Students 6 2 4 4 4
If a student is selected at ...
How many arrangements of the letters in the word \"...
A bag contains 9 apples and 7 oranges. If you select 8 pieces of fruit without ...
Find the odds in favor of obtaining the following outcome. 4 heads when an ordinary coin is tossed four times
find the expected number of girls in a family of 5 children
find the probability of drawing the following colored candies from a jar containing 25 red, 15 blue, 20 green, 30 yellow, and 10 orange pieces of candy.
How many arrangements of the letters in the word "SCHOOLS" are there?
2/15th of 2400 items are defective how many are defective?
In a certain high risk group, the chances of a person getting infected with a virus are 60%. If four people are ...
How many even 5-digit numbers can be formed from the numbers 1,2,4,7,8...
Find the probability of drawing a brown sock from a drawer of 4 brown socks, 10 black socks, and 6 gray socks, replacing ...
Find the odds in favor of drawing a red marble when a marble is selected at random from a bag containing 2 yellow, 5 ...
four married couples have bought eight seats in a row for a concert.In how many different ways can they be ...
In how many distinguishable ways can the letters in the word STATISTICS be written?
A statistics teacher has noted from past experience that a student who follows a program of studying two hours for each hour in class has a probability of 0.9 of getting a grade of C or better, while a student who does not follow a regular study program has a probability of 0.2 of getting a C or better. It is known that 70% of the students follow the study program. Find the probability that if a student who has earned a C or better ...
Moses, along with several angels, approaches you. In his hand is a massive book, leather bound with gold trim, titled The Book of Everything That Can Be Known. The book is 10, 000 pages long. On page 314 is the statement \"The universe is finite in spatial extent,\" and this statement is nowhere else in the book. On ...
in how many ways can 7 students be assigned seats in a row containing seven desks if 2 of the students must not be seated next to each other
assume a jar has 4 red marbles and 5 black marbles. Draw out 2 marbles with and without replacement. Find the requested probablities
p(2 red marbles)
P(2 black marbles)
P(one red and one black marble)
p(red on the first draw and black on the second draw)
A basket of apples contains 6 red apples, 2 green apples, and 3 yellow apples. You randomly select 2 apples, one at a time. Find the probability that both are yellow if you replace the first apple, then select the second or you eat the first apple, then select the second
Moses, along with several angels, approaches you. In his hand is a massive book, leather bound with gold trim, titled The Book of Everything That Can Be Known. The book is 10, 000 pages long. On page 314 is the statement \\\"The universe is finite in spatial extent,\\\" and this statement is nowhere else in the book. On ...
a bag has 6 white socks and 4 blue socks.i picked 2 socks.find the probability that both are white
A card is selected from a deck of 52 playing cards. Find the probability of selecting
a) a seven given the card is a not a face card. (An ace is not a face ...
Positive ..... Negative
HIV virus infected 57 3
Not HIV infected 997 18,943
If someone is randomly selected, find the probability of getting someone who tests positive or someone who is HIV infected
A quality controller at a battery manufacturing compnay tested 360 batteries from the production line. She found that 19 were defecdtive. ONE BOX contained 5000 batteries. how many might you expect not to be defective
a bag contains 3 red, 2 blue and 5 orange marbles. Find the probability that the first marble is orange and teh second is red
find the number of distinguishable permutations of the letters ORANGE
Mr. Smith bought two shirts that cost $29.95 each and a tie that cost $25.50. The sales tax rate was 7%. How much change should he have received from paying with a $100...
A bag contains 6red and 4 blue M&M. Three are randomly selected from the bag.
Find the probability that they are all red
Moses, along with several angels, approaches you. In his hand is a massive book, leather bound with gold trim, titled The Book of Everything That Can Be Known. The book is 10, 000 pages long. On page 314 is the statement "The universe is finite in spatial extent," and this statement is nowhere else in the book. On ...
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