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Mathematics, 23.02.2021 03:30 zhp7171

CNNBC recently reported that the mean annual cost of auto insurance is 965 dollars. Assume the standard deviation is 113 dollars. You will use a simple random sample of 57 auto insurance policies. Find the probability that a single randomly selected policy has a mean value between 939.6 and 972.5 dollars. P(939.6 < X < 972.5)

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