Given the Following Values $\mu$ = 60,M = 7 $\sigma$ = 6,conduct a One-Sample Z Test at a

Multiple Choice

Given the following values: $\mu$ = 6.0,M = 7.6,n = 36, $\sigma$ = 6,conduct a one-sample z test at a .05 level of significance.For a one-tailed test,upper-tail critical,what is the decision?

A) to reject the null hypothesis
B) to retain the null hypothesis
C) There is not enough information since the sample size is not given.