Suppose that the speed at which cars go on the freeway is normally distributed with...
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Suppose that the speed at which cars go on the freeway is normally distributed with mean 72 mph andstandard deviation 6 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4decimal places where possible.a. What is the distribution of X? X - Nb. If one car is randomly chosen, find the probability that it is traveling more than 71 mph.c. If one of the cars is randomly chosen, find the probability that it is traveling between 75 and 78 mph.d. 64% of all cars travel at least how fast on the freeway?mph.
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