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26. Suppose the age of the customers at post office has a non-normal distribution with mean 40 and standard deviation 3 years. i. Select 100

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26. Suppose the age of the customers at post office has a non-normal distribution with mean 40 and standard deviation 3 years. i. Select 100 customers at random. What is the distribution of their average age? Describe its shape, it's mean, and standard error. ii. What is the chance that the average age for 100 customers from the post office is over 41? ini. Would you take the same approach to the previous two parts if you had a sample of only 2 customers? 27. Suppose the time to delivery of a package has SOME distribution with mean 2 days and standard deviation 0.5 days. i. What is the chance that 36 packages selected at random have an average delivery time of more than 2.2 days? ii. Did you use the Central Limit Theorem to answer this question? Explain. 28. At a fast food restaurant, the waiting time at the drive-through window has an average of 3 minutes, with a standard deviation of 0.8 minutes. i. What is the probability that a random sample of 64 cars will have an average waiting time of less than 3.25 minutes

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