Question
How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 45 tissues is the average number of tissues used during
How many tissues should the Kimberly Clark Corporation package of Kleenex contain? Researchers determined that 45 tissues is the average number of tissues used during a cold. Suppose a random sample of 36 Kleenex users yielded the following data on the number of tissues used during a cold: , s = 15. Researchers want to conduct a test to determine if the average number of tissues used during a cold is less than 45.State the correct rejectionrule for a level of significance at = 0.05.
Reject H0if Zcalc> Zcrit
Reject H0if tcalc> tcrit.
Reject H0if Zcalc< - Zcrit.
Reject H0if tcalc>tcritor tcalc< - tcrit.
Reject H0if Zcalc>Zcritor Zcalc< -Zcrit.
Reject H0if tcalc< - tcrit.
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