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An Economist Is Interested in Studying the Incomes of Consumers

Question 15

Multiple Choice

An economist is interested in studying the incomes of consumers in a particular region. The population standard deviation is known to be $1,000. A random sample of 50 individuals resulted in an average income of $15,000. What is the upper end point in a 99% confidence interval for the average income?


A) $15,141
B) $15,364
C) $15,052
D) $15,330

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