Need help in my STAT Class. Please see attachments for questions, less than 35 questions. 

Example of one question: 

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 6.8 minutes and a standard deviation of 1.9 minutes. For a randomly received emergency call, find the following probabilities. (Round your answers to four decimal places.)(a) the response time is between 3 and 8 minutes(b) the response time is less than 3 minutes(c) the response time is more than 8 minutes 

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