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According to a study in the previous year 52% Of household nationwide Used natural gas For heating during a year. Recently a survey of 3300 randomly selected household showed53% used natural gas. Use a .05 significance level to test the claim that 52% used natural rate has changed . Ho : p=52 ha:p==.52 Only need to calculate the problem. Find z ( round to two decimal places as needed.

Reference no: EM131954377

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