Mars product information. The Mars company says that before the introduction of purple, yellow made up 20% of their plain M&M candies, red made up another 20%, and orange, blue, and green each made up 10%. The rest were brown.

a) If you picked an M&M at random from a pre-purple bag of candies, what is the probability that it was:

i) Brown?

ii) Yellow or orange?

iii) Not green?

iv) Striped?

b) Assuming you had an infinite supply of M&M’s with the older color distribution, if you picked three M&M’s in a row, what is the probability that:

i) They are all brown?

ii) The third one is the first one that’s red?

iii) None are yellow?

iv) At least one is green?