The Customer Service Center in a large New York department store has determined that the amount of time spent with a custome

Question

The Customer Service Center in a large New York department store has determined that the amount of time spent with a custome about a complaint is normally distributed with a mean of 8 3 minutes and a standard deviation of 2 3 minutes What is the probability that for a randomly chosen customer with a complaint the amount of time spent resolving the complaint will be as follows Round your answers to four decimal places USE SALT a less than 10 minutes 0 7700 b longer than 5 minutes c between 8 and 15 minutes 0 5501

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