Suppose You Are Testing the Null Hypothesis That a Population $\alpha$

question 82

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is greater than or equal to 60, against the alternative hypothesis that the population mean is less than 60.The sample size is 64 and $\alpha$ = .05.If the sample mean is 58 and the population standard deviation is 16, the observed z value is _______.

• A)-1
• B)1
• C)-8
• D)8
• E)58

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