This question point(s) possib Construct a confidence interval for p1 - P2 at the given level of confidence. X1 = 35, n1 = 254, X2 = 40, n2 = 312, 90% confidence . . . The researchers are % confident the difference between the two population proportions, p1 - P2, is between and (Use ascending order. Type an integer or decimal rounded to three decimal places as needed.)