MATH 221 (Math221)

Devry University-Chicago

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MATH 221 Homework Week 6 > DeVry University, Keller Graduate School of Management. Attempt Score 60/60.

MATH 221 Homework Week 6 > DeVry University, Keller Graduate School of Management. Attempt Score 60/60.
Exam (elaborations) • 11 pages • 2019

MATH 221 Homework Week 6 New Question 1 A consumer analyst reports that the mean life of a certain type of alkaline battery is no more than 63 months. Write the null and alternative hypotheses and note which is the claim. Ho: μ = 63 (claim), Ha: μ ≥ 63 Ho: μ ≤ 63 (claim), Ha: μ > 63 Ho: μ ≤ 63, Ha: μ > 63 (claim) Ho: μ > 63 (claim), Ha: μ ≤ 63 Question 2 A business claims that the mean time that customers wait for service is at most 3.5 minutes. Write the null and altern...