Critical value for an alpha, Basic Statistics

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Critical value for an alpha

A hypothesis test for a population proportion p is given below: Ho: p = 0.25 vs. Ha: p NE 0.25 (NE means not equal) For sample size n=100 and sample proportion p = 0.30. What is the critical value for an alpha of .01?

A. 1.645

B. 1.96

C. 2.33

D. 2.575

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Basic Statistics: Critical value for an alpha

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