Simulation: Exponential Distribution The exponential probability distribution can be

Chapter 9, Problem 52

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Simulation: Exponential Distribution The exponential probability distribution can be used to model waiting time in line or the lifetime of electronic components. Its density function is skewed right. Suppose the wait-time in a line can be modeled by the exponential distribution with m = s = 5 minutes.(a) Use StatCrunch, MINITAB, or some other statisticalsoftware to generate 100 random samples of size n = 4 fromthis population.(b) Construct 95% t-intervals for each of the 100 samples foundin part (a).(c) How many of the intervals do you expect to include thepopulation mean? How many of the intervals actually containthe population mean? Explain what your results mean.(d) Repeat parts (a)(c) for samples of size n = 15 and n = 25.Explain what your results mean.

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