803 Answered Questions for the topic Probability & Statistics

Probability & Statistics Probability Fractions Sets

04/02/15

What is the probability of selecting 1 mouse of each gender given that both are grey?

For this problem, assume there are 5 grey females, 2 grey males, 4 white females, and 5 white males. As in the book, the biologist selects two mice randomly. (1) What is the probability of... more
Probability & Statistics Probability Fractions Percentage

04/01/15

If the student plans to go to medical school, what is the probability that he is a freshman?

Assume that the class consists of 40 percent freshmen, 15 percent sophomores, 10 percent juniors, and 35 percent seniors. Assume further that 50 percent of the freshmen, 35 percent of the... more
Probability & Statistics Probability Fractions Story Problems

04/01/15

What is the probability that both balls are red given that the first ball you drew was red?

Assume that each bag contains 5 balls. Bag a contains 4 red and 1 white, while bag b contains 1 red, 1 white, and 3 blue. You randomly select one ball from bag a, note the color, and place the ball... more
Probability & Statistics Probability Fractions Sets

04/01/15

What is the probability that exactly one blue ball is chosen?

Assume that you have 6 red balls and 7 blue balls from which randomly to select two without replacement.(1) What is the probability that exactly one blue ball is chosen? (2) What is the probability... more
Probability & Statistics Probability Fractions Math Help For College

04/01/15

What is the probability that the subcommittee consists of 2 men and 1 woman, given that it contains both men and women?

For this problem, assume that the committee contains 10 men and 5 women and that three are selected at random for a subcommittee.What is the probability that the subcommittee consists of 2 men and... more
Probability & Statistics Probability Fractions Decimals

03/31/15

Compute the following conditional probabilities:

events E and F in a sample space S, but assume that Pr[E] = 0.45, Pr[F] = 0.45, and Pr[E∩ F] = 0.25. Compute the following conditional probabilities: (1) Pr[E | F] = (2) Pr[F | E] =
Probability & Statistics Probability Fractions Decimals

03/30/15

What is Pr[E | F]?

Suppose for this problem that Pr[E] = [ 5/8] and Pr[F] = [ 3/4]. Just as in the book, Pr[(E ∪F)′] = 0.(1) What is Pr[E | F]? (2) What is Pr[F | E]?
Probability & Statistics Probability Fractions Decimals

03/30/15

(1) What is Pr[E | F]? (2) What is Pr[F | E]?

Suppose for this problem that Pr[E] = [ 1/12], Pr[F] = [ 1/6], and Pr[E ∩F′] = [ 0/1].(1) What is Pr[E | F]? (2) What is Pr[F | E]?
Probability & Statistics Probability Fractions Decimals

03/30/15

Compute the following conditional probabilities

but assume that Pr[E] = 0.3, Pr[F] = 0.35, and Pr[E′∩ F] = 0.15. Compute the following conditional probabilities: (1) Pr[E | F] = (2) Pr[F | E] =
Probability & Statistics Probability Fractions Decimals

03/30/15

What is Pr[F | E]?

Suppose for this problem that Pr[E] = [ 5/8] and Pr[F] = [ 3/4]. Just as in the book, Pr[(E ∪F)′] = 0. (1) What is Pr[E | F]? (2) What is Pr[F | E]?
Probability & Statistics Probability Decimals Combinations

03/29/15

Compute the following conditional probabilities

events E and F in a sample space S, but assume that Pr[E] = 0.3, Pr[F] = 0.35, and Pr[E′∩ F] = 0.15.  Compute the following conditional probabilities: (1) Pr[E | F] = (2) Pr[F | E] =
Probability & Statistics Probability Fractions Permutations

03/29/15

What is Pr[E | F]?

Suppose for this problem that Pr[E] = [ 1/12], Pr[F] = [ 1/6], and Pr[E ∩F′] = [ 0/1]. (1) What is Pr[E | F]? (2) What is Pr[F | E]?
Probability & Statistics Probability Fractions Combinations

03/29/15

What is Pr[E | F]?

Suppose for this problem that Pr[E] = [ 5/8] and Pr[F] = [ 3/4]. Just as in the book, Pr[(E ∪F)′] = 0. (1) What is Pr[E | F]? (2) What is Pr[F | E]?
Probability & Statistics Probability Combinations Sets

03/29/15

Compute the following conditional probabilities:

A and B in a sample space S, but assume that Pr[A] = 0.4, Pr[B] = 0.35, and Pr[A∩ B] = 0.1.  Compute the following conditional probabilities: (1) Pr[A | B] = (2) Pr[B | A] =
Probability & Statistics Probability Sets Math Help For College

03/27/15

Find the following probabilities

events A and B in a sample space S. Assume that Pr[A] = 0.45, Pr[B] = 0.55, and Pr[A′∩B] = 0.4. Find the following probabilities:(1) Pr[B′∩A] = (2) Pr[A∩B] = (3) Pr[A′∩B′] =
Probability & Statistics Probability Combinations Sets

03/27/15

Assume that Pr[A] = 0.4, Pr[B] = 0.7, and Pr[A nB] = 0.3.

events A and B in a sample space S. Assume that Pr[A] = 0.4, Pr[B] = 0.7, and Pr[A ∩B] = 0.3.(1) Pr[B′∩A] = (2) Pr[A′∩B] = (3) Pr[A′∩B′] =
Probability & Statistics Probability Combinations Sets

03/27/15

What is the probability that the student attends at least one class on Monday?

involving a student's attendance at math and accounting classes on Mondays. Assume that the student attends math class with probability 0.65, skips accounting class with probability 0.4, and... more
Probability & Statistics Probability Combinations Sets

03/27/15

Find the following probabilities

involving events E, F, and G in a sample space S. Assume that Pr[E] = 0.45, Pr[F] = 0.3, Pr[G] = 0.5, Pr[E∩F] = 0.15, Pr[E∩G] = 0.25, Pr[F∩G] = 0.1, and Pr[E∩F ∩G] = 0.05;. Find the following... more
Probability & Statistics Probability Combinations Sets

03/27/15

Find the probabilities of the following events

events A and B of a sample space S, but assume that Pr[A′] = 0.4, Pr[B] = 0.55, and Pr[A′∩ B] = 0.2. Find the probabilities of the following events: (1) Pr[A∩B] = (2) Pr[A∪B] = (1) Pr[A′∪B]
Probability & Statistics

03/26/15

How would i find a sample of Line 146: 52297 42906 34100 94089 64070 44916 73935 24790 labeled 01 through 42?

How would i find a sample of Line 146: 52297 42906 34100 94089 64070 44916 73935 24790 labeled 01 through 42.   I was thinking maybe it will be 22,29,06,34 but I'm not for sure.
Probability & Statistics

03/26/15

In a city 15% of the bus riders with a monthly pass are students. In a random sample of 50 bus riders with monthly passes, 12 are students. Find p and p^.

In a city 15% of the bus riders with a monthly pass are students. In a random sample of 50 bus riders with monthly passes, 12 are students. Find p and p^. I know for p=0.15 but for p^ I have a hard... more
Probability & Statistics Probability Story Problems Sets

03/25/15

What is the probability that the second ball drawn is yellow?

Assume that the box contains 12 balls: 3 red, 4 blue, and 5 yellow. As in the text, you draw one ball, note its color, and if it is yellow replace it. If it is not yellow you do not replace it. You... more
Probability & Statistics Probability Story Problems Sets

03/25/15

What is the probability that the business makes a profit in exactly two of its first three years?

Assume that the business makes a profit with probability 0.2 in the first year. For each year thereafter, the business makes a profit with probability 0.7 if it made a profit in the previous year,... more
Probability & Statistics Probability Math Help Story Problems

03/25/15

What is the probability that a randomly selected car has a CD player?

Assume that the fleet consists of 35 percent Lexus, 45 percent Infinity, and 20 percent Mercedes automobiles. 75 percent of the Lexus cars, 90 percent of the Infinities, and 40 percent of the... more
Probability & Statistics Math Probability Sets

03/25/15

What is the probability that a randomly selected student plans to major in science?

Assume that 30 percent of students have taken calculus in high school. Of those who have taken calculus in high school, 65 percent plan to major in science. Of those who did not take calculus in... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.