How Many Tissues Should a Package of Tissues Contain? Researchers $\bar { x } = 35 , s = 18$

question 72

Multiple Choice

How many tissues should a package of tissues contain? Researchers have determined that a person uses an average of 41 tissues during a cold. Suppose a random sample of 10,000 people yielded the following data on the number of tissues used during a cold: $\bar { x } = 35 , s = 18$ . Identify the null and alternative hypothesis for a test to determine if the mean number of tissues used during a cold is less than $41 .$

• A) \(H _ { 0 } : \mu = 41\) vs. \(H _ { \mathrm { a } } : \mu > 41\)
• B) \(H _ { 0 } : \mu > 41\) vs. \(H _ { \mathrm { a } } : \mu \leq 41\)
• C) \(H _ { 0 } : \mu = 41\) vs. \(H _ { \mathrm { a } } : \mu \neq 41\)
• D) \(H _ { 0 } : \mu = 41\) vs. \(H _ { \mathrm { a } } : \mu < 41\)

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