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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
23 Nov 2021

Given information

Instructions: For the following ten exercises,
Hypothesis testing: For the following ten exercises, answer each question.
 State the null and alternate hypotheses.
 State the p-value.
. State alpha.
. What is your decision?
 Write a conclusion.
 Answer any other questions asked in the problem.
The US Department of Energy reported that  of homes were heated by natural gas. A random sample of  homes in Kentucky found that  were heated by natural gas.

Step-by-step explanation

Step 1.

We are given to use a two-tailed test.  That’s why alternative hypothesis has sign. Reject the null hypothesis if 

 

and .

The following formula is used,

  

  

 

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