Mathematics, 30.05.2020 19:01 ashleyvalles16

The sample size is 120 and the population standard deviation is 5. Use α = 0.05. If the actual population mean is 7, the probability of a type II error is 0.2912. Suppose the researcher wants to reduce the probability of a type II error to 0.10 when the actual population mean is 8. What sample size is recommended?

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The sample size is 120 and the population standard deviation is 5. Use α = 0.05. If the actual popul...