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Find a 90 Percent Confidence Interval for the Difference Between

Question 16

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Find a 90 percent confidence interval for the difference between the proportions of group l and group 2.Let p1 represent the population proportion of the people in group 1 who like a new mobile app,and let p2represent the population proportion of the people in group 2 who like a new mobile app.
Find a 90 percent confidence interval for the difference between the proportions of group l and group 2.Let p<sub>1</sub> represent the population proportion of the people in group 1 who like a new mobile app,and let p<sub>2</sub>represent the population proportion of the people in group 2 who like a new mobile app. <sub>1</sub> = .21, <sub>2</sub> = .13,n<sub>1</sub> = 300,and n<sub>2</sub> = 400.1 = .21,
11ec8feb_7c62_5c33_bdf7_598f048dadf1_TB2569_112 = .13,n1 = 300,and n2 = 400.

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[.0324,.1276] blured image_TB256...

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