2. Two dice are rolled. Compute the probabilities: (a) Pr (first roll is a 2) (b) Pr (second roll is a 3) (c) Pr (sum is 5 | first roll is a 2} (d) Pr (first roll is a 1) (e) Pr (second roll is a 6) (f) Pr (sum is 7 | first roll is a 1) (g) Explain why part (e) equals part (f), but part (b) doesn't equal part (c). 4. Determine the number of ways to deal 13 cards on the table - having aces of diamonds and clubs - from a standard deck of playing cards. 6. There are 10 red and 10 blue boxes in a cart. Determine the number of ways to arrange the 20 boxes on a shelf