How Many Tissues Should the Kimberly Clark Corporation Package of Kleenex

question 9

Multiple Choice

How many tissues should the Kimberly Clark Corporation package of Kleenex 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: $\bar { X }$ = 52,s = 22.
- Suppose the alternative we wanted to test was H₁: $\mu$ < 60.State the correct rejection region for $\alpha$ = 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 < - 1.9842.
• D) Reject H₀ if t > 1.6604.

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