Given the following sample information randomly selected from two populations Sample 1 Sample 2 n1 = 200
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Given the following sample information randomly selected from two populations Sample 1 Sample 2 n1 = 200 n2 = 150 x1 = 40 x2 = 27
a. Determine if the sample sizes are large enough so that the sampling distribution for the difference between the sample proportions is approximately normally distributed.
b. Calculate a 95% confidence interval for the difference between the two population proportions.
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Related Book For
Business Statistics
ISBN: 9781292220383
10th Global Edition
Authors: David Groebner, Patrick Shannon, Phillip Fry
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