Mathematics > QUESTIONS & ANSWERS > Math 221 Quiz Week 6 second attempt BEST FOR REVISION 2021/2022 (All)
Math 221 Quiz Week 6 second attempt BEST FOR REVISION 2021/2022
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0 / 2 pts (CO 5) A company claims that its heaters last less than 5 years. Write the null and alternative hypotheses and note which is the claim. You Answered Ho: μ ≤ 5, Ha: μ > 5 (claim) Cor ... rect Answer Ho: μ ≥ 5, Ha: μ < 5 (claim) Ho: μ > 5 (claim), Ha: μ ≤ 5 Ho: μ = 5 (claim), Ha: μ ≥ 5 See text page 349 Question 2 2 / 2 pts (CO 5) An executive claims that her employees spend no more than 2.5 hours each week in meetings. Write the null and alternative hypotheses and note which is the claim. Correct! Ho: μ ≤ 2.5 (claim), Ha: μ > 2.5 Ho: μ > 2.5, Ha: μ ≤ 2.5 (claim) Ho: μ ≤ 2.5, Ha: μ < 2.5 (claim) Ho: μ = 2.5 (claim), Ha: μ ≥ 2.5 See text page 349 Question 3 0 / 2 pts (CO 5) In hypothesis testing, a key element in the structure of the hypotheses is that the claim is ________________________. Correct Answer [Show More]
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