Question

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Tutorial Exercise

Police response time to an emergency call is the difference between the time the call is first received by the dispatcher and the time a patrol car radios that it has arrived at the scene. Over a long period of time, it has been determined that the police response time has a normal distribution with a mean of 9.6 minutes and a standard deviation of 1.8 minutes. For a randomly received emergency call, find the following probabilities.

(a) the response time is between 6 and 11 minutes

(b) the response time is less than 6 minutes

(c) the response time is more than 11 minutes

Answer 1

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