Suppose you wish to test the claim that µis different from 113.9. given a sample of n = 218 and a significance of 0.10, what criterion would you be used for rejecting the null hypothesis? assume that the standard deviation of the population is known.
a) reject Ho if test statistic > 1.645 or < -1.645
b) reject Ho if test statistic < 1.28
c) reject Ho if test statistic > 1.645
d) reject Ho if test statistic > 1.28 or < -1.28