Moderate# Sample Size and Significance: Who Has the Greatest Power?

APSTAT-CXGCFQ

In a hypothesis test, ${ H }_{ 0 }:p=0.8$ versus ${ H }_{ a }:p>0.8$ the power of the test $p=0.8$ would be the greatest for which of the following choices of sample size $n$ and significance level $\alpha $ ?