The Price of a bond is uniformly distributed between $80 and $90. a. What is the probability that the bond price will be greater than $83? b. What is the probability that...

The Price of a bond is uniformly distributed between $80 and $90. a. What is the probability that the bond price will be greater than $83? b. What is the probability that...

If the odds of getting a certain character in a blind bag is 1 in 5 and the bags cost $2.00 each, how much will you need to spend before you might get a certain one? Is it as simple as 5 x $2.00 =...

A graph depicts IQ scores of adults and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the area of the shaded region.... (between the IQ scores of 102...

Suppose it is known that the weights of a certain group of individuals are approximately normally distributed with a mean of 140 pounds and a standard deviation of 25 pounds. What is the probability...

In a hospital 60% of the patients are married.

The grade appeal process at a university requires that a jury be structured by selecting seven individuals randomly from a pool of eleven students and eight faculty. (a)...

need help with this ... math really isn't my thing but I have to have it for masters in nursing

The charge to rent a trailer is $2020 for up to 2 hours plus $6 per additional hour or portion of an hour. Find the cost to rent a trailer for 3.6 hours, 4 hours, and 7.2 hours.

There are 136 passengers on a plane. 78 of them are women. 21 of them are men who purchased non-refundable tickets. 1) If you put the names of all the passengers in hat and then drew two...

The weight of a sperm whale’s brain is normally distributed with a mean of 15.5 pounds and a standard deviation of 3.6 pounds. What is the probability a randomly selected sperm whale will have a brain...

Statistics

A recent estimate of Congress’ approval rating was 17%. What sample size does this estimate suggest we should use for a margin of error of 0.04 with 95% confidence?

Also: What distribution does W follow? Specify the mean and variance.

find the 10th percentile

They decide to play the game repeatedly until Joe wins a game, and then they will stop. Assuming that the outcomes are independent, what is the probability that they play at least three games?

I need to know the area under the standard normal curve

is this a statistics question?

Solve the following problems. Write the formula, give, solution and final answer.

You measure 37 textbooks' weights, and find they have a mean weight of 64 ounces. Assume the population standard deviation is 5.8 ounces. Based on this, construct a 90% confidence interval for the...

Tom and Jan are planning on applying to attend KSU. Tom takes the ACT while Jan decides to take the SAT. The mean score on the ACT is a 17 with a standard deviation of 5, and the SAT mean score is...