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A six sided die is rolled 100 times. Using the normal approximation, find the probability that the face showing up a six turns up between 10 and 30 times. Find the probability that the sum of the face values of the 100 trials is less than 250.
If the probability of making a two point shot is greater than the probability of making a three point shot, why do coaches allow some players to shoot the three point shot if they have the opportunity? Use expected value to explain your answer.
Would the resulting sets of data represent dependent or independent samples? Why? What could the students change in the project to have it represent the other?
If Accrotime guarantees full refund on any defective watch for 2 years after purchase, determine percentage of total production will company expect to replace?
An artifact is discovered at a certain site. If it has 46% of the carbon-14 it originally contained, what is the approximate age of the artifact to the nearest year?
For each sample, carry out a Z test using the five steps hypothesis testing with a two-tailed test at the .05 significance level, and make a drawing of the distributions involved.
Suppose 40% of a student population possess works part-time. If a random sample of size 300 is drawn from the population, what is the probability that 44% or fewer of the samples works part-time?
Using the original data, test at the 5% significance level that the population standard deviation of studying times is greater than 4 hours.
A prestigious university requires a score of at least 750 on a graduate exam for admission to its MBA program. Suppose the graduate exam is normally distributed with a mean of 500 and a standard deviation of 200.
What is the probability that he completed the assignments?
The population standard deviation was 1.68 years. Using the 99% degree of confidence, what is the confidence interval for the population mean.
The average price of a personal computer is 949 assuming that the prices are normally distributed with a standard deviation of 100 what is the price that corresponds to the least expensive 10%.
If one NBA player is selected at random, find the probability that this player is either 7 feet tall or weighs over 200 pounds.
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