Question: 8.19 Calculate the 95% confidence interval for the difference in population proportions for each of the following: a. nx = 260 pn x = 0.35

8.19 Calculate the 95% confidence interval for the difference in population proportions for each of the following:

a. nx = 260 pn x = 0.35 ny = 240 pn y = 0.30

b. nx = 145 pn x = 0.20 ny = 120 pn y = 0.25 Application Exercises

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