How Many Kleenex Should the Kimberly Clark Corporation Package of Tissues

question 26

Multiple Choice

How many Kleenex should the Kimberly Clark Corporation package of tissues contain? Researchers determined that 60 tissues is the average 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: $\overline{X}$ = 52, s = 22. Suppose the alternative we wanted to test was H₁: µ < 60. State the correct rejection region for ? = 0.05.

• A) Reject H₀ if t > 1.9842 or Z < - 1.9842.
• B) Reject H₀ if t > 1.6604.
• C) Reject H₀ if t < - 1.6604.
• D) Reject H₀ if t < - 1.9842.

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