PROBLEM 7 [points: 15] The deck of cards has 36 cards of 4 suits (clubs , diamonds and 9 denominations (6, 7,.., king K, ace A), like one below heartsand spades 4) How many ways to select a hand of 4 cards out of such deck? [points: 5] How many ways to select a hand of 4 cards so that exactly two are aces? [points: 10] *