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In a simple random sample of 120 women and 150 men from a population of 150,000, 25% of the women and 37% of the men

In a simple random sample of 120 women and 150 men from a population of 150,000, 25% of the women and 37% of the men are smokers. Suppose you are interested in comparing the proportion of smokers by sex, compute the Z statistic

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