Question: At a particular restaurant the mean wait time for a customer to wait is 16.3 minutes with standard deviation 5.8 minutes. a) If a sample

At a particular restaurant the mean wait time for a customer to wait is 16.3 minutes with standard deviation 5.8 minutes.

a) If a sample of 45 customers is considered, what is the probability that their mean wait time is between 15and 18 minutes?

b) why can we use the Central limit theorem for this question?

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