The average age of vehicles registered in the United States is 96 months. Assume the population is normally distributed with a standard deviation of 15 months. Find the probability that the mean age of a sample of 36 vehicles is between 98 and 100 months?
A) 44.5%
B) 28.8%
C) 15.7%
D) 6.4%

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The Answer of The average age of vehicles registered in the United States is 96 months. Assume the population is normally distributed with a standard deviation of 15 months. Find the probability that the mean age of a sample of 36 vehicles is between 98 and 100 months?
A) 44.5%
B) 28.8%
C) 15.7%
D) 6.4%

The Average Age of Vehicles Registered in the United States