(I Dont get number C)!!!

1. Ben & Jerry's sells starter sets so that people can make their own homemade ice cream! Each set consists of three bags of ice cream mix, one mixing bowl, and two different types of flavor bags (chocolate or vanilla). Each bag of ice cream mix weighs an average of 5 pounds each with a standard deviation of 0.4 pounds. The mixing bowl weighs an average of 3.5 pounds with a standard deviation of .08 pounds, and each flavor bag weighs an average of 1 pound with a standard deviation of .18 pounds. We can assume that all the weights are normally distributed. Ben & Jerrys ships these starter sets to customers in two boxes: the ice cream mix goes in the first box, and the mixing bowl and flavor bags in a second box.

a) What's the probability that the weight of the first box is less than 14 lb?

b) What's the probability that the weight of the second box exceeds 6 lb?

c) A pallet can carry up to 40 pounds of weight. What is the likelihood that 2 starter sets will exceed this weight limit?

(I Dont get number C)