Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

1) The US Department of Energy reported that 52% of homes were heated by natural gas. A random sample of 346 homes in Oregon found

1)

image text in transcribedimage text in transcribedimage text in transcribed
The US Department of Energy reported that 52% of homes were heated by natural gas. A random sample of 346 homes in Oregon found that 132 were heated by natural gas. Test the claim that proportion of homes in Oregon that were heated by natural gas is different than what was reported. Use a 3% significance level. What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.) Ho: p V 0.52 H: P 0.52 Based on the hypotheses, find the following: Test Statistic = 5.175 "Rounded to 2 decimals. ) p-value = 0.039309 (Rounded to 4 decimals.) Based on the above we choose to | Reject the null hypothesis The correct summary would be: | There is enough evidence to reject the claim V that the proportion of homes in Oregon that were heated by natural gas is different than what the DOE reported value of 52%.A company manufacturing computer chips finds that 8% of all chips manufactured are defective. Management is concerned that employee inattention is partially responsible for the high defect rate. In an effort to decrease the percentage of defective chips, management decides to offer incentives to employees who have lower defect rates on their shifts. The incentive program is instituted for one month. If successful, the company will continue with the incentive program. 1) Match the appropriate null and alternative hypotheses in this setting. by Ho a. P = .08 d vHI b. P = .08 C. P > .08 d. P

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

The Structure Of Groups With A Quasiconvex Hierarchy (AMS-209)

Authors: Daniel T Wise

1st Edition

069121350X, 9780691213507

More Books

Students also viewed these Mathematics questions

Question

What types of questions would make up a behavioral interview?

Answered: 1 week ago