Math221_Week6_Quiz_Pt1

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School

DeVry University, Chicago *

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Course

221

Subject

Industrial Engineering

Date

Dec 6, 2023

Type

pptx

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Uploaded by ChancellorPorpoisePerson247

Question 1 2/2pts (CO 5) A company claims that its heaters last less than 5 years. Write the null and alternative hypotheses.

Question 2 2/2pts (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. Ho =25, Hy 1> 25

Question 3 2/2pts (CO 5) Which of the following is not a valid outcome of a hypothesis test:

Question 4 2/2pts (CO 5) A landscaping company claims that at least 90% of workers arrive on time. If a hypothesis test is performed that rejects the null hypothesis, how would this decision be interpreted? There is not sufficient evidence to support the claim that at least 90% of workers arrive on time

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