Question: For problem 8-55, give a 95% confidence interval for the difference in proportion of theaters nationwide where one movie will be preferred over the other.

For problem 8-55, give a 95% confidence interval for the difference in proportion of theaters nationwide where one movie will be preferred over the other. Is the point 0 contained in the interval? Discuss.

In problem Two movies were screen-tested at two different samples of theaters. Mystic River was viewed at 80 theaters and was considered a success in terms of box office sales in 60 of these theaters. Swimming Pool was viewed at a random sample of 100 theaters and was considered a success in 65.

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