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According to a​ research,59.0​% of households nationwide used natural gas for heating during a year.

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According to a​ research,59.0​% of households nationwide used natural

gas for heating during a year.​ Recently, a survey of 3700 randomly selected households showed that
60.0​% used natural gas. Use a 0.05 significance level to test the claim that the 59.0​% national rate has changed.

find the test statistic

z and p values

 
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