You have a bag of marbles, where 50 are red, 30 are blue, 15 are green and 5 are yellow. You pick a marble without looking, write down the color, and put the marble BACK IN THE BAG. You repeat this process for a total of 12 times. 1) What is the probability you pick a red marble exactly 6 times? 2) What is the probability you pick a green marble exactly 3 times? 3) What is the probability you pick a yellow marble less than 2 times?