Question: Please explain question #4 and show the correct answer: 4. (5 points) For a (large) random sample with mean / and known variance o' =

Please explain question #4 and show the correct answer:

4. (5 points) For a (large) random sample with mean / and known variance o' = 1, a size o = .01 test of Ho : p = po versus H1 : p > po is to reject Ho if Z = vn(X -po) > 2.326. The power of this test is (a) P (Z > 2.326) = D( vn(u - po) + 2.326). (b) P. (Z > 2.326) = 1 -4(Vn(M -Ho) + 2.326) (c) P. (Z > 2.326) = 1 -D(2.326). (d) P. (Z 2.326) = D( V(X -MO))

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