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MATH-221 Week 6 Homework: Statistics for Decision-Making (v2) | Download To Score An A $10.99
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MATH-221 Week 6 Homework: Statistics for Decision-Making (v2) | Download To Score An A
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  • Devry University

MATH-221 Week 6 Homework: Statistics for Decision-Making (v2) Question: A consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 36 months. Write the null a nd alternative hypotheses and note which is the claim. Question: A business claims that the mean ti...

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  • July 20, 2022
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  • 2021/2022
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  • question a consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 36 months write the null and alternative hypotheses and note which is the claim

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MATH-221 Week 6 Homework: Statistics for Decision-Making (v2)

This attempt took 97 minutes.

Question 1
pts
A consumer analyst reports that the mean life of a certain type of alkaline
battery is more than 63 months. Write the null and alternative hypotheses and
note which is the claim.



Ho: μ ≤ 63, Ha: μ < 63 (claim)



Ho: μ > 63 (claim), Ha: μ ≤ 63



Ho: μ = 63 (claim), Ha: μ ≥ 63




Ho: μ ≤ 63, Ha: μ > 63 (claim)



Question 2
pts
A business claims that the mean time that customers wait for service is at
most 9.2 minutes. Write the null and alternative hypotheses and note which is
the claim.



Ho: μ > 9.2, Ha: μ ≤ 9.2 (claim)



Ho: μ ≥ 9.2, Ha: μ ≤ 9.2 (claim)




Ho: μ ≤ 9.2 (claim), Ha: μ > 9.2



Ho: μ > 9.2 (claim), Ha: μ > 9.2

, Question 3
pts
An amusement park claims that the average daily attendance is at least 15,000.
Write the null and alternative hypotheses and note which is the claim.




Ho: μ ≥ 15000 (claim), Ha: μ < 15000



Ho: μ > 15000 (claim), Ha: μ = 15000



Ho: μ = 15000, Ha: μ ≤ 15000 (claim)




Ho: μ ≤ 15000, Ha: μ > 15000 (claim)


Question 4
pts
A transportation organization claims that the mean travel time between two
destinations is about 12 minutes. Write the null and alternative hypotheses
and note which is the claim.




Ho: μ = 12 (claim), Ha: μ ≠ 12




Ho: μ = 12 (claim), Ha: μ ≤ 12



Ho: μ > 12, Ha: μ ≤ 12 (claim)



Ho: μ ≠ 12, Ha: μ = 12 (claim)


Question 5

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