How Many Tissues Should the Kimberly Clark Corporation Package of Kleenex

question 4

Short Answer

How many tissues should the Kimberly Clark Corporation package of Kleenex contain?Researchers determined that 60 tissues is the mean number of tissues used during a cold.Suppose a random sample of 100 Kleenex users yielded the following data on the numberof tissues used during a cold: $\bar { X } = 52$ , S = 22.Give the null and alternative hypotheses to determine if the number of tissues used during a cold is less than 60. a) $H _ { 0 } : \mu \leq 60$ and $H _ { 1 } : \mu > 60$ .
b) $H _ { 0 } : \mu \geq 60$ and $H _ { 1 } : \mu < 60$ .
c) $H _ { 0 } : \bar { X } \geq 60$ and $H _ { 1 } : \bar { X } < 60$ .
d) $H _ { 0 } : \bar { X } = 52$ and $H _ { 1 } : \bar { X } \neq 52$ .

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