The Mars company says that before the introduction of purple, yellow candies made up 20 % of their plain M&M's, red another 20 %, and orange, blue, and green each made up 10 %. The rest were brown. a) If you pick an M & M at random, what is the probability that 1. it is brown? 2. it is yellow or orange? 3. it is not green? 4. it is striped? b) If you pick three M&M's in a row, what is the probability that 1. they are all brown? 2. the third one is the first one that's red? 3. none are yellow? 4.