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# MATH 225N WEEK 8 FINAL EXAM 2020 â€“ CHAMBERLAIN COLLEGE OF NURSING (A GRADE)

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MATH 225N WEEK 8 FINAL EXAM 2020 –

CHAMBERLAIN COLLEGE OF NURSING (A

GRADE)

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## [Solved] MATH 225N WEEK 8 FINAL EXAM 2020 â€“ CHAMBERLAIN COLLEGE OF NURSING (A GRADE)

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MATH 225N WEEK 8 FINAL EXAM 2020 â€“
CHAMBERLAIN COLLEGE OF NURSING (A
GRADE)
1/1 POINTS
A fitness center claims that the mean amount of time that a person spends at the gym
per visit is 33 minutes. Identify the null hypothesis, H0, and the alternative
hypothesis, Ha, in terms of the parameter Î¼.
That is correct!
H0: Î¼â‰ 33; Ha: Î¼=33
H0: Î¼=33; Ha: Î¼â‰ 33
H0: Î¼â‰¥33; Ha: Î¼<33
H0: Î¼â‰¤33; Ha: Î¼>33
Answer Explanation
Correct answer:
H0: Î¼=33; Ha: Î¼â‰ 33
Let the parameter Î¼ be used to represent the mean. The null hypothesis is always stated
with some form of equality: equal (=), greater than or equal to (â‰¥), or less than or equal
to (â‰¤). Therefore, in this case, the null hypothesis H0 is Î¼=33. The alternative
hypothesis is contradictory to the null hypothesis, so Ha is Î¼â‰ 33.QUESTION 2
1/1 POINTS
The answer choices below represent different hypothesis tests. Which of the choices
are right-tailed tests? Select all correct answers.
That is correct!
â€¢
H0:Xâ‰¥17.1, Ha:X<17.1
â€¢ â€¢
H0:X=14.4, Ha:Xâ‰ 14.4
â€¢ â€¢
H0:Xâ‰¤3.8, Ha:X>3.8
â€¢ â€¢
H0:Xâ‰¤7.4, Ha:X>7.4
â€...

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