A.H0:m﹤40.1 Ha:m≥40.1 B.H0:m≥40.1 Ha:m﹤40.1 C.H0:m﹥40.1 Ha:m≤40.1 D.H0:m=40.1 Ha:m≠40.1
A.0.4772 B.0.0228 C.0.0056 D.0.5228
A.-1.25 B.0.4938 C.0.0062 D.0.0124