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QUESTION 7 How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 60 tissues is the mean number of tissues used during a cold. Suppose a random sample of 100 Kleenex users yielded the following data on the number of tissues used during a cold: Xbar = 33, S = 22. Suppose the test statistic fall in the not rejection region at a = 0.05. Which of the following decision is correct? At a = 0.05, you do not reject HO. At a = 0.05, you reject HO. At a = 0.10, you reject HO. At a = 0.10, you do not reject HO