Question: 1. M&M s. The Masterfoods 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 is red?

3) none are yellow?

4) at least one is green?