100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021 $13.98   Add to cart

Exam (elaborations)

MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021

 0 view  0 purchase
  • Course
  • Institution

MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021/MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021/MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021/MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021/MATH 221 Week 6 Quiz (100% Correct Answers) Summer 2021/MATH 221 Week 6 Qui...

[Show more]

Preview 2 out of 12  pages

  • April 27, 2022
  • 12
  • 2021/2022
  • Exam (elaborations)
  • Questions & answers
avatar-seller
Question 1
pts
(CO 5) A company claims that its heaters last more than 5 years. Write the null and
alternative hypotheses and note which is the claim.


Ho: μ = 5 (claim), Ha: μ ≥ 5


Ho: μ > 5 (claim), Ha: μ ≤ 5
Correct Answer

Ho: μ ≤ 5, Ha: μ > 5 (claim)
You Answered

Ho: μ ≤ 5, Ha: μ < 5 (claim)

Question 2
pts
(CO 5) An executive claims that her employees spend no less than 2.5 hours each
week in meetings. Write the null and alternative hypotheses and note which is the
claim.


Ho: μ ≤ 2.5 (claim), Ha: μ > 2.5
Correct Answer

Ho: μ ≥ 2.5 (claim), Ha: μ < 2.5
You Answered

Ho: μ > 2.5, Ha: μ ≤ 2.5 (claim)


Ho: μ = 2.5, Ha: μ ≥ 2.5 (claim)
See text page 349

Question 3

, pts
(CO 5) In hypothesis testing, a key element in the structure of the hypotheses is
that the alternative hypothesis has the ________________________.


truth

You Answered

claim



equality

Correct Answer

simple inequality

Question 4
pts
(CO 5) A landscaping company claims that at most 90% of workers arrive on time.
If a hypothesis test is performed that fails to reject 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



There is not sufficient evidence to support the claim that at most 90% of workers
arrive on time



There is sufficient evidence to support the claim that a least 90% of workers arrive
on time

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller VEVA2K. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.98. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

77254 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.98
  • (0)
  Add to cart