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USE A CONFIDENCE INTERVAL TO DETERMINE IF THE PROPORTIONS ARE DIFFERENT. 2) A recent survey showed...

USE A CONFIDENCE INTERVAL TO DETERMINE IF THE PROPORTIONS ARE DIFFERENT.

2)

A recent survey showed that in a sample of 100 elementary school teachers, 15 were single. In a sample of 180

high school teachers, 36 were single. Is the proportion of high school teachers who were single greater than the

proportion of elementary teachers who were single? Use΅ =0.01.

Math   Statistics-And-Probability   
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