melanie is making lemonade and finds a recipe that call for 1 part lemon juice, 2 parts sugar, and 8 parts water. she juices 2 lemons to obtain 6 tablespoons of lemon juice. hpw much sugar and water will she need to make lemonade with the same ratio of ingredients as te recipe

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.