Probability that shopper spend more than twenty five minutes

Reference no: EM13124101

A survey indicates that shoppers will stay in a store for an average of 45 minutes with a standard deviations of 10 minutes. The lengths of time are normally distributed. What is the probability that a shopper will spend more than 25 minutes in a store? If 200 shoppers enter a store, how many shoppers would you expect to stay in the store for more than 25 minutes?

Reference no: EM13124101

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