Find the interval that contains the sppeds of vehicles

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Suppose that on a certain section of I95 with a posted speed limit of 65 mph, the speeds of all vehicles have a bellshaped distribution with a mean of 72 mph and a standard deviation of 3 mph. Find the interval that contains the sppeds of 95% of vehicles traveling on this section of i-95.

Reference no: EM13113625

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