• Card 22 / 25: 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: = 52, S = 22. Suppose the alternative we wanted to test was H1 : ? < 60. State the correct rejection region for ? = 0.05.
    A) Reject H0 if t > 1.9842 or Z
    B) Reject H0 if t
    C) Reject H0 if t
    D) Reject H0 if t > 1.6604.

    Answer:
    C) Reject H0 if t

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