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Author Question: How many tissues should a package of tissues contain? Researchers have determined that a person uses ... (Read 120 times)

dbose

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Question 1

How many tissues should a package of tissues contain? Researchers have determined that a person uses an average of 50 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: Using the sample information provided, set up the calculation for the test statistic for the relevant hypothesis test, but do not simplify.
z =
z =
z =
z =

Question 2

How many tissues should a package of tissues contain? Researchers have determined that a person uses an average of 66 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:  We want to test the alternative hypothesis Ha: μ < 66. State the correct rejection region for
◦ Reject H0 if z > 1.96 or z < -1.96.
◦ Reject H0 if z > 1.645.
◦ Reject H0 if z < -1.645.
◦ Reject H0 if z < -1.96.


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Marked as best answer by dbose on Feb 14, 2020

Benayers

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dbose

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Reply 2 on: Feb 14, 2020
Excellent


ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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