Assume that sampling from a Normal distribution with known variance, so will employ a z-test (not t-test). muo 4 Critical region sup = 5.56 Sample statistic = 6.07 p-value = 0.014556 0.3 Density 0.2 0.1 0.0 0 2 4 6 8 Assume that sampling from a Normal distribution with known variance, so will employ a z-test (not t-test). muo 4 Critical region sup = 5.56 Sample statistic = 6.07 p-value = 0.014556 0.3 Density 0.2 0.1 0.0 0 2 4 6 8