Question

Construct a confidence interval for p1−p2 at the given level of confidence. x1=35, n1=239, x2=33, n 2=297, 99​% confidence The researchers are ----------% confident the difference between the two population​ proportions, p1−p2​, is between ---------- and ------------

Answer 1

The statistical software output for this problem is :

The researchers are 99% confident the difference between the two population​ proportions,

p1−p2​, is between -0.040 and 0.111 .