Question
Natural Gas Heat The Energy Information Administration reported that51.7%of homes in the United States were heated by natural gas. A random sample of206homes found that127were
Natural Gas HeatThe Energy Information Administration reported that51.7%of homes in the United States were heated by natural gas. A random sample of206homes found that127were heated by natural gas. Does the evidence support the claim, or has the percentage changed? Use = 0.05and theP-value method.
(a) State the hypotheses and identify theclaim.
H0 : ____ $______
H1 : ____ $______
This hypothesis test is a______ -tailed test.
(b) Compute the test value.
(c) Find theP-value.
(d) Make thedecision.
(e) Summarize theresults.
(f) Would the percentage of homes heated by natural gas change, if the sample were taken in a different geographic area?
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