A random sample of 300 shoppers at a supermarket includes 204 who regularly use cents
off coupons. In another sample of 500 shoppers at a supermarket includes 75 who regularly
use cents off coupons. Construct confidence interval for the probability that any one shopper
at the supermarket, selected at random, will regularly use cents off coupons.
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.