1. Four cards are drawn at random without replacement from a standard deck of 52 cards. Compute the probability that all are of different suits. 2. An urn contains 5 green, 6 blue, and 4 red balls. You take 3 balls out of the urn, one after the other, without replacement. Compute the probability that the third ball is red given that the first two balls are green. 3*. (Bayes Formula