Question:
Construct the indicated confidence interval for the
Last updated: 7/22/2022
Construct the indicated confidence interval for the difference between population proportions P1.P2. Assume that the samples are independent and that they have been randomly selected. In a random sample of 500 people aged 20-24, 22% were smokers. In a random sample of 450 people aged 25-29, 14% were smokers. Construct a 95% confidence interval for the difference between the population proportions p1 - P2. 0.048 P1-P2 < 0.112 0.035 P1-P2 < 0.125 0.025 P1-P2 < 0.135 0.032 P1-P2 < 0.128