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In: Statistics and Probability

Two samples are taken with the following numbers of successes and sample sizes r1 = 38...

Two samples are taken with the following numbers of successes and sample sizes
r1 = 38 r2 = 23
n1 = 76 n2 = 68

Find a 88% confidence interval, round answers to the nearest thousandth.

Solutions

Expert Solution

We need to construct the 88% confidence interval for the difference between population proportions p1​−p2​. We have been provided with the following information about the sample proportions:

Favorable Cases 1 (X1​) = 38
Sample Size 1 (N1​) = 76
Favorable Cases 2 (X2​) = 23
Sample Size 2 (N2​) = 68

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orchestra answered 2 years ago
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