Posted by **Ivana** on Tuesday, December 11, 2012 at 4:21pm.

Fire department response time is the length of time it takes a fire truck to arrive at the scene of a fire starting from the time the call was given to the truck. Response time for Gabble Fire Department follows a mound shaped and symmetric distribution. The response time has a mean of 8.5 minutes with a standard deviation of 1.8 minutes. If a random sample of 34 response times is taken and the mean response x is computed, find P(7 < x < 11)

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