The time that a randomly selected individual waits for an
Chapter 0, Problem 8.14(choose chapter or problem)
The time that a randomly selected individual waits for an elevator in an office building has a uniform distribution over the interval from 0 to 1 min. It can be shown that for this distribution m 0.5 and s 0.289. a. Let be the sample average waiting time for a random sample of 16 individuals. What are the mean and standard deviation of the sampling distribution of ? b. Answer Part (a) for a random sample of 50 individuals. In this case, sketch a picture of a good approximation to the actual distribution.
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