4. (15 points) Estimation - Population Proportion: A marketing research company is estimating which of two soft drinks college students prefer. Out of a random sample of 100 students in M Uni, 75 chose drink A and 25 chose drink B. Out of another random sample of 100 students in P Uni, 65 chose drink A and 35 drink B. a) (7 points) Construct two 95% confidence intervals; one for the proportion of students choosing drink A in M Uni and one for the proportion of students choosing drink A in P Uni. List all assumptions you must make to construct these intervals. gnitned nsent etal errol lavistaj corebilnoo dge e fengofril bris elsluolso (elioq a. ) is Lexisni laum boy Isrif enoilamuses er lis tell evewbeage .2. Uille to Thined to sergeb egenova, andT. (amnion a. V)ud