A survey indicates that for each trip to the supermarket, a shopper spends an average of 45 minutes with a standard deviation of 12 minutes in the store. The length of time spent in the store is normally distributed and is represented by the variable x. A shopper enters the store. Find the probability that the shopper will be in the store for between 24 and 54 minutes?

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A survey indicates that for each trip to the supermarket, a shopper spends an average of 45

minutes with a standard deviation of 12 minutes in the store. The length of time spent in the

store is normally distributed and is represented by the variable x. A shopper enters the store.

Find the probability that the shopper will be in the store for between 24 and 54 minutes?

 

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