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A random sample of n1n1 = 219 people who live in a city were selected and...

A random sample of n1n1 = 219 people who live in a city were selected and 88 identified as a "dog person." A random sample of n2n2 = 110 people who live in a rural area were selected and 66 identified as a "dog person." Find the 95% confidence interval for the difference in the proportion of people that live in a city who identify as a "dog person" and the proportion of people that live in a rural area who identify as a "dog person."

_______ <p1-p2 < ____________

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Answer #1

Here we have to find the confidence interval for difference of proportions of two population.

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