760 Answered Questions for the topic Probability & Statistics
03/04/15
Finite Homework, need help: permutations, combinations, probability.
1. For this problem, assume the cooler contains 32 cans, 22 of which are regular, and the rest of which are diet.
What is the probability of selecting 5 cans from the cooler so that at least 4 are...
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03/03/15
How many different casts are there?
Assume that there are 6 unfilled roles: 4 male and 2 female. There are 8 men and 4 women, including Jennifer, auditioning for a part in the play. (1) How many different casts are there? (2) How...
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03/03/15
How many outcomes does this experiment have?
For this problem, assume the balls in the box are numbered 1 through 7, and that an experiment consists of randomly selecting 2 balls one after another without replacement. (1) How many outcomes...
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03/03/15
How many different answer sheets can be submitted?
For this problem, assume the test had 8 true-false questions and 8 multiple-choice questions, and that each multiple-choice question had 3 choices.
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03/03/15
What is the probability that you choose the December 1st issue of Newsweek?
Assume that there are 8 different issues of Sports Illustrated, 7 different issues of Time, and 4 different issues of Newsweek, including the December 1st issue, on the rack. You choose 4 of them...
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03/02/15
Finite Homework: Probability and statistics.
1. Assume that there are 19 frozen dinners: 10 pasta, 6 chicken, and 3 seafood dinners. The student selects 5 of them.
What is the probability that at least 2 of the dinners selected are pasta...
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03/02/15
(1) What is the probability that exactly 1 is an issue issue of Newsweek?
Assume that there are 6 different issues of Newsweek, 7 different issues of Sports Illustrated, and 3 different issues of Time, including the December 1st issue, on the rack. You choose 4 of them...
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03/02/15
What is the probability that both heads and tails occur?
involving flipping a fair coin. Assume that the coin is flipped 3 times.What is the probability that both heads and tails occur?
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03/01/15
Is there a way to calculate the probability of one missing work (a random occurrence) out of an eleven year time span?
I have an employee who has missed work twice in eleven years. I'm wondering if there is a way to show the probability of a random error like this occuring. Im not sure what information I may still...
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03/01/15
What is the probability that the coach selects at least 3 passing plays and at least 3 running plays?
Assume that the playbook contains 9 passing plays and 16 running plays. The coach randomly selects 9 plays from the playbook.
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03/01/15
Find the probability that Tom is given a task.
Assume that there are 11 board members: 9 females, and 2 males including Tom. There are 5 tasks to be assigned randomly, including that of advertising meetings to the public.
(1) Find the...
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03/01/15
What is the probability that at least 2 of the dinners selected are pasta dinners?
Assume that there are 19 frozen dinners: 10 pasta, 6 chicken, and 3 seafood dinners. The student selects 5 of them.
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03/01/15
(1) What is the probability that you choose 3 issues of Sports Illustrated and 1 issue of Newsweek?
Assume that there are 6 different issues of Sports Illustrated, 7 different issues of Newsweek, and 4 different issues of Popular Science, including the December 1st issue, on the rack. You choose...
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Probability & Statistics
02/26/15
The names of 10 men and 7 women are entered in a sweepstakes drawing. Two names are drawn at random in succession.
The names of 10 men and 7 women are entered in a sweepstakes drawing. Two names are drawn at random in succession.
What is the probability the:
A) first name is a man's and the second is a...
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02/26/15
What is the probability that all of the coins selected are dimes?
Assume that you select 2 coins at random from 9 coins: 4 dimes and 5 quarters.What is the probability that all of the coins selected are dimes?
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02/26/15
What is the probability that 2 females are selected?
A group of students who are selecting 2 of their group at random to give a report, but assume that there are 8 males and 3 females. What is the probability that 2 females are selected? What is the...
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02/26/15
What is the probability that 3 cans of regular cola are selected?
randomly selecting 3 cans of regular and diet cola, but assume that there are 5 cans of regular cola and 8 cans of diet cola. (1) What is the probability that 3 cans of regular cola are selected? ...
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02/26/15
What is the probability that both of the tickets you receive are in the front row?
your friend who has tickets to a concert and who selects 2 of them at random to give to you, but assume that your friend has 13 tickets of which 5 are in the front row and 8 are in the tenth row....
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02/26/15
(1) What is the probability that, of the 5 balls selected at random, at least one is orange and at least one is yellow?
the bucket containing orange tennis balls and yellow tennis balls from which 5 balls are selected at random, but assume that the bucket contains 7 orange balls and 9 yellow balls. (1) What is the...
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Probability & Statistics
02/25/15
Probability question Stat
with events X, Y, and Z such that X and Y are mutually exclusive, X is a subset of Z, P(Y)= 1/2 ,P(Z)= 3/4, P(Y and Z)= 3/8, and P(X and Z)= 1/4..... what is P(X), P(Z and not X), P(Y or Z),P(not X...
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02/23/15
College school graduate job probability question
The probability that Big Co. will hire new graduates from State U. who have interviews in any given year is 10%. Of the graduates this year, 4 were chosen at random for interviews. What is the...
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02/21/15
Stats word probability problem
If possible, please assist me with the formula and finding the answer please!
In a simple game, a six-sided die is rolled 4 times. If all four rolls result in either 1 or 2, then the player...
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Probability & Statistics Math Help
02/20/15
Need help with my stats homework!
Nine agricultural plots for an experiment are laid out in a square grid (so the picture shown is a 3 by 3 square grid). Three plots are selected at random.
A) find the probability that all 3...
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02/19/15
In how many different ways can the 3 CD's be selected?
student who wants to buy 3 CDs, but assume that there are 3 CDs featuring the piano, 4 CDs featuring the trumpet, and 5 CDs featuring the saxophone.
(1) In how many different ways can the 3...
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02/19/15
In how many ways can the selection be made so that at least one of each color is drawn?
Your urn contains 7 red balls, and 9 blue balls, and you draw 4 balls.
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