According to a study in a previous year,55.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 2,300 randomly selected households showed that 56.0% used natural gas. Use a 0.05 significance level to test the claim that the 55.0% national rate has changed.

Formulate the null and alternative hypotheses

Find the test statistic.

z=enter your response here

(Round to two decimal places as needed.)Part 3Find the P-value for the found test statistic.

P-value=enter your response here

(Round to four decimal places as needed.)Part 4State the conclusion. Choose the correct answer below.

A.

Reject H0. There is insufficient evidence to support the claim that the percentage of households using natural gas has changed.

B.

Reject H0.There is sufficient evidence to support the claim that the percentage of households using natural gas has changed.

C.

Do not reject H0.There is sufficient evidence to support the claim that the percentage of households using natural gas has changed.

D.

Do not reject H0. There is insufficient evidence to support the claim that the percentage of households using natural gas has changed.