Question
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
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
(i) between 98 and 100 months? (ii) greater than 100 months?
Be sure to draw and shade in the normal curve as part of your answer.
Please show all work and formulas, thank you
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Business Statistics For Contemporary Decision Making
Authors: Ken Black, Ignacio Castillo
3rd Canadian Edition
1119577624, 9781119577621
