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According to a research540 of households nationwide used

According to a research,54.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 4800 randomly selected households showed that 55.0% used natural gas. Use a 0.05 significance level to test the claim that the 54.0%national rate has changed.

What is the hypothesis? Z? P?

conclusion?

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Basic Statistics: According to a research540 of households nationwide used

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Basic Statistics: According to a research540 of households nationwide used

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