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A local new station claims that the mean income for the town is less than 90,000. A random sample of 20 incomes is 75,000 with
A local new station claims that the mean income for the town is less than 90,000. A random sample of 20 incomes is 75,000 with a standard deviation of $10,000. At a-0.01, find the P- value. Assume the distribution is normally distributed. Round to the thousandth place IB
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