Question: In a problem of testing H : 75 versus H : <75, the following sample quantities are recorded. n = 64, = 8 Which of

In a problem of testing H : 75 versus H : <75, the following sample quantities are recorded. n = 64, = 8 Which of the following rejection region is correct for = 0.05

A )Z 1.96

B) Z 1.96

C) X 1.64

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