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CNNBC recently reported that the mean annual cost of auto insurance is 957 dollars. Assume the standard deviation is 167 dollars. You will use a

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CNNBC recently reported that the mean annual cost of auto insurance is 957 dollars. Assume the standard deviation is 167 dollars. You will use a simple random sample of 103 auto insurance policies. Find the probability that a single randomly selected policy has a mean value between 919.2 and 925.7 dollars. P(919.2

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