A new card game consists of 8 red cards, 7 yellow cards, 6 green cards and 5 blue cards. If you have to draw 8 cards, what is the probability that you would:

a) draw 2 of each color?

b) draw 3 red cards, 3 blue cards and 2 yellow cards?

c) draw 4 green cards and 4 cards of another color?

d) draw no blue cards?

e) draw at least 1 blue card?