The Speeds (In Mph) of Motor Vehicles on a Certain

Essay

The speeds (in mph) of motor vehicles on a certain stretch of Route 3A as clocked at a certain place along the highway are normally distributed with a mean of 61.2 mph and a standard deviation of 8.44 mph.
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Round your answers to four decimal places, if necessary.
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What is the probability that a motor vehicle selected at random is traveling at more than 62 mph?
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What is the probability that a motor vehicle selected at random is traveling at less than 57 mph?
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What is the probability that a motor vehicle selected at random is traveling at between 62 and 69 mph?
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