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Police response time to an emergency call is the difference between the time the call is...

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 8.9 minutes and a standard deviation of 1.7 minutes. For a randomly received emergency call, find the following probabilities.
A) the response time is between 5.25 and 12.65 minutes.
B) the response time is 6.15 to 8.65 minutes.
C) the response time is anywhere from 11.65 to less than 12.85 minutes.
D) the response time is anywhere greater than 6.85 to 16.25 minutes.

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