Question

Does Mars, Incorporated use the same proportion of red candies in its plain and peanut varieties? A random sample of 54 plain M&M'S contained 15 red candies, and another random sample of 31 peanut M&M'S contained 9 red candies. (Use p1 for the proportion of red candies in plain M&M'S and p2 for the proportion of red candies in peanut M&M'S.) (a) Construct a 95% confidence interval for the difference in the proportions of red candies for the plain and peanut varieties (p1 − p2). (Round your answers to three decimal places.) (....) to (....)

Answer 1

Hence answer here is -0.212<p1-p2<0.187