The US Department of Energy reported that 52% of homes were heated by natural gas. A random sample of 311 homes in Oregon found that 141 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 5% significance level. Give
Question 24:
The US Department of Energy reported that 52% of homes were heated by natural gas. A random sample of 311 homes in Oregon found that 141 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 5% significance level. Give answer to at least 4 decimal places.
What are the correct hypotheses? (Select the correct symbols and use decimal values not percentages.)
H0:
H1:
Based on the hypotheses, compute the following:
Test Statistic =
p-value =
Based on the above we choose to
The correct summary would be: that the proportion of homes in Oregon that were heated by natural gas is different than what the DOE reported value of 52%.
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