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: = 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.
Correct Answer:
Verified
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