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A) What is the name of the distribution of the number of satisfied customers from this sample? B) What is the expected value? C) What is the standard deviation? You take a random sample of 100 customers and find the proportion who are satisfied. A) What is the name of the distribution of the sample proportion? B) What is the mean? C) What is the standard deviation? Suppose the time for service of a customer at this window is uniformly distributed between 0 and 10 minutes. A) What is the chance that it takes more than 6 minutes to serve the next customer? B) What is the expected waiting time if you are next in line? C) What is the name of the distribution of the average service time for 100 customers? Suppose the age of the customers for branch #1 of this bank has a normal distribution with mean 40 and standard deviation 5 years. A) Whats the chance that the next customer coming into branch #1 is over 42?

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