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What is the probability the average of the sample is more

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Incomes in a certain town are strongly-right skewed with mean $36000 and standard deviation $7000. A random sample of 10 households is taken. What is the probability the average of the sample is more than $38000?

What is the probability the average of the sample is more than $37000 if a random sample of 75 house holds is taken?

Reference no: EM13615838

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