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I need someone to help explain the steps? CNNBC recently reported that the mean annual cost of auto insurance is 991 dollars. Assume the standard

I need someone to help explain the steps?
CNNBC recently reported that the mean annual cost of auto insurance is 991 dollars. Assume the standard deviation is 244 dollars. You take a simple random sample of 77 auto insurance policies. Find the probability that a single randomly selected value is less than 968 dollars. P(X

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