Question: 55. Consider the following hypothesis test. The population standard deviation is 10. Use .05. How large a sample should be taken if the researcher

55. Consider the following hypothesis test.

The population standard deviation is 10. Use α .05. How large a sample should be taken if the researcher is willing to accept a .05 probability of making a Type II error when the actual population mean is 22?

Ho: = 20 u Ha a- 20

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