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 9.2 minutes and a standard deviation of 2.1 minutes. For a randomly received emergency call, find the following probabilities. (Round your answers to four decimal places.)

(a) the response time is between 5 and 11 minutes

(b) the response time is less than 5 minutes

(c) the response time is more than 11 minutes

Answer #1

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 10.0 minutes
and a standard deviation of 1.5 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 10.0 minutes
and a standard deviation of 1.5 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 7.2 minutes
and a standard deviation of 2.1 minutes. For a randomly received
emergency call, find the following probabilities. (For each answer,...

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 8.8 minutes
and a standard deviation of 1.9 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 8.0 minutes
and a standard deviation of 1.5 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 8.8 minutes
and a standard deviation of 1.9 minutes. For a randomly received
emergency call, find the following probabilities. (For each answer,...

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 7.6 minutes
and a standard deviation of 2.3 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 7.6 minutes
and a standard deviation of 2.3 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 10.4 minutes
and a standard deviation of 1.7 minutes. For a randomly received
emergency call, find the following probabilities. (Round your
answers...

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 6.0 minutes
and a standard deviation of 1.5 minutes. For a randomly received
emergency call, find the following probabilities. (For each answer,...

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