Find a 90 Percent Confidence Interval for the Difference Between

question 16

Essay

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.
₁ = .21,
11ec8feb_7c62_5c33_bdf7_598f048dadf1_TB2569_11₂ = .13,n₁ = 300,and n₂ = 400.

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