Chapter Nine

Right-tailed test because the rejection region is in the right tail of the distribution curve. b. Two-tailed test because the rejection region lies in both tails of the distribution curve. ... From the normal distribution table, area to the right of z = 2.38 is .5 – .4913 = .0087 approximately. Hence, p –value = .0087 . a. Step 1: H0: µ ... ................
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