SOLUTION: 1. The mean annual cost of auto insurance is $939. Assume a standard deviation of $245. a. What is the probability that 30 randomly sampled auto policies will have a sample

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Question 954077: 1. The mean annual cost of auto insurance is $939. Assume a standard deviation of $245.

a. What is the probability that 30 randomly sampled auto policies will have a sample mean within $25 of the population mean?
Answer by bjcarpio(1) About Me  (Show Source):