We Test the Hypothesis That P = 35% Versus P

We test the hypothesis that p = 35% versus p < 35%. We don't know it but actually p = 26%. With which sample size and significance level will our test have the greatest power?

A) a = 0.03, n = 250
B) a = 0.01, n = 250
C) The power will be the same as long as the true proportion p remains 26%
D) a = 0.01, n = 400
E) a = 0.03, n = 400

Correct Answer:

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