The US Department of Energy reported that 49% of homes were heated by natural gas. A random sample of 328 homes in Oregon found that 175 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 1% 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: Select an answer σ² x̄ σ p p̂ μ s² s ? ≥ > < = ≠ ≤ H1: Select an answer σ σ² p s² μ p̂ x̄ s ? > ≤ < = ≠ ≥ Based on the hypotheses, find the following:Test Statistic = p-value = Based on the above we choose to Select an answer Accept the null hypothesis Reject the null hypothesis Accept the alternative hypotheis Fail to reject the null hypothesis The correct summary would be: Select an answer There is enough evidence to reject the claim There is enough evidence to support the claim There is not enough evidence to support the claim There is not enough evidence to reject the claim that the proportion of homes in Oregon that were heated by natural gas is different than what the DOE reported value of 49%.
The US Department of Energy reported that 49% of homes were heated by natural gas. A random sample of 328 homes in Oregon found that 175 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 1% 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: Select an answer σ² x̄ σ p p̂ μ s² s ? ≥ > < = ≠ ≤
H1: Select an answer σ σ² p s² μ p̂ x̄ s ? > ≤ < = ≠ ≥
Based on the hypotheses, find the following:
Test Statistic =
p-value =
Based on the above we choose to Select an answer Accept the null hypothesis Reject the null hypothesis Accept the alternative hypotheis Fail to reject the null hypothesis
The correct summary would be: Select an answer There is enough evidence to reject the claim There is enough evidence to support the claim There is not enough evidence to support the claim There is not enough evidence to reject the claim that the proportion of homes in Oregon that were heated by natural gas is different than what the DOE reported value of 49%.
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