1) Find the P value(P= ?) for the indicated hypothesis test with the given standardized test statistic z. Decide whether to reject Ho for the given level of significance.
Two tail test, z = 2.30, alpha = 0.01
2) Find the standardized test statistic t for a sample with n = 25, x-bar = 21, s = 3, and α = 0.005 if Ha: mu > 20.