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Construct a confidence interval for p 1 minus p 2 at the given level of confidence....

Construct a confidence interval for p 1 minus p 2 at the given level of confidence. x 1 equals 386​, n 1 equals 516​, x 2 equals 411​, n 2 equals 595​, 90 ​% confidence The researchers are nothing ​% confident the difference between the two population​ proportions, p 1 minus p 2 ​, is between nothing and nothing . ​(Use ascending order. Type an integer or decimal rounded to three decimal places as​ needed.)

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Answer #1

Refer Z-table or use excel function "=NORM.S.INV((1-0.05))" to find the Z-value

The researchers are confident the difference between the two population​proportions, ​, is between and

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