8.94 Independent random samples of n = 40 and n=80 observations were selected from binomial popu- lations

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8.94 Independent random samples of n = 40 and n=80 observations were selected from binomial popu- lations 1 and 2, respectively. The number of successes in the two samples were x = 17 and x2 = 23. Find a 99% confidence interval for the difference between the two binomial population proportions. Interpret this interval.

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