Police response time to an emergency call is the difference between the time the call is first received by the dispatche

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Police response time to an emergency call is the differencebetween the time the call is first received by the dispatcher andthe time a patrol car radios that it has arrived at the scene. Overa long period of time, it has been determined that the policeresponse time has a normal distribution with a meanof 10.0 minutes and a standard deviationof 1.5 minutes. For a randomly received emergencycall, find the following probabilities. (For each answer, enter anumber. Round your answers to four decimal places.)
(a)
the response time isbetween 7 and 11 minutes
(b)
the response time is less than 7 minutes
(c)
the response time is more than 11 minutes