# Question: Refer to exercise 8 6 The professor would like to track

Refer to exercise 8.6. The professor would like to track (and possibly help) students who are in the top 10% of completion times. What completion time should he use?

## Answer to relevant Questions

Find the probabilities. P (Z < 1.50)Find the probabilities. P(Z < 2.84)Let X be the random variable designating the number of spots that turn up when a balanced die is rolled. What is the probability distribution of X?A statistics practitioner working for major league baseball determined the probability that the hitter will be out on ground balls is .75. In a game where there are 20 ground balls, find the probability that all of them were ...Test the following hypotheses with α = .05. Ho: There is no first-order autocorrelation HI: There is positive first-order autocorrelation n = 50, k = 2, d = 1.38Post your question