A recent survey showed that in a random sample of 100 elementary school teachers, 15 smoked. In a random
sample of 180 high school teachers, 36 smoked. Is the proportion of high school teachers who smoke greater
than the proportion of elementary teachers who smoke? Use $\alpha = 0.01$

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The Answer of A recent survey showed that in a random sample of 100 elementary school teachers, 15 smoked. In a random
sample of 180 high school teachers, 36 smoked. Is the proportion of high school teachers who smoke greater
than the proportion of elementary teachers who smoke? Use $\alpha = 0.01$

A Recent Survey Showed That in a Random Sample of 100