(Answered) An economist is interested in studying the incomes of

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

If you were constructing a 99% confidence interval of the population mean based on a sample of n = 25 where the standard deviation of the sample S = 0.05, the critical value of t will be 15

If you know that the probability of committing a Type II error (?) is 5%, you can tell that the power of the test is.

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