Find the probability of the sample mean

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According to R.L. Polk & Co., the average age of cars and light trucks in the U.S. is 11.6 years. Assume that the standard deviation for this population is 3.7 years. A sample of 35 randomly selected vehicles was selected. What is the probability that the sample mean will be greater than 10.3 years

Reference no: EM132857182

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