I am confused on this question and keep getting different results and it is becoming fristrating...
I am confused on this question and keep getting different results and it is becoming fristrating
H0: ≥ 19
Ha: < 19
The sample size is 120 and the population standard deviation is 6. Use = .05.
If the actual population mean is 18, the probability of a Type II error is 0.4286. Suppose the researcher wants to reduce the probability of a Type II error to .10 when the actual population mean is 18. What sample size is recommended? Round your answer to the next whole number.
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I am confused on this question and keep getting different
results and it is becoming fristrating...
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Can you please help with 2,3,4
I am so confused!! Please show work as well
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Can you please help with 2,3,4
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