Consider a Test Of $\mathrm { H } _ { 0 } : \mu = 8$

Multiple Choice

Consider a test of $\mathrm { H } _ { 0 } : \mu = 8$ . For the following case, give the rejection region for the test in terms of the $z$ -statistic: $\mathrm { H } _ { \mathrm { a } } : \mu > 8 , \alpha = 0.10$

A) $z > 1.28$
B) $| z | > 1.645$
C) $| z | > 1.28$
D) $z > 1.96$