The masterfoods company manufactures bags of peanut butter M&M’s. They report that they make 10% each brown and red, and 20% each yellow, blue, and orange. The rest are green.
if you pick five M&Ms in a row, what is the probability that
a. they are all blue
b.none are green
c.at least one is red
d. the fourth one is the first one that is brown