Question

Independent random samples of n1 = 700 and n2 = 590 observations were selected from binomial...

Independent random samples of

n1 = 700

and

n2 = 590

observations were selected from binomial populations 1 and 2, and

x1 = 337

and

x2 = 375

successes were observed.

(a) Find a 90% confidence interval for the difference (p1p2) in the two population proportions. (Round your answers to three decimal places.)

Homework Answers

Answer #1

The statistical software output for this problem is :

A 90% confidence interval for the difference (p1p2) in the two population proportions is :

(-0.199 , -0.109)

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