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: 【图片】= 52, s = 22. Suppose the test statistic does fall in the rejection region at【图片】 = 0.05. Which of the following conclusions is correct?
A.
At = 0.05, there is not sufficient evidence to conclude that the average number of tissues used during a cold is 60 tissues.
B.
At = 0.05, there is sufficient evidence to conclude that the average number of tissues used during a cold is 60 tissues.
C.
At = 0.05, there is not sufficient evidence to conclude that the average number of tissues used during a cold is not 60 tissues.
D.
At = 0.10, there is sufficient evidence to conclude that the average number of tissues used during a cold is not 60 tissues.