11. A total of 28 percent of American males smoke cigarettes, 7 percent smoke cigars, and 5 percent smoke both cigars and cigarettes.

a. What percentage of males smokes neither cigars nor cigarettes?

b. What percentage smokes cigars but not cigarettes?

52 15. If it is assumed that all ( 5 ) poker hands are equally likely, what is the probability of being dealt a. a ush? {A hand is said to be a flush if all 5 cards are of the same suit.) b. one pair? {This occurs when the cards have denominations a. o, b, c, d, where o. b, c, and d are all distinct.) c. two pairs? {This occurs when the cards have denominations o. o, b, b, c, where a. b, and c are all distinct.) d. three of a kind? {This occurs when the cards have denominations a. a. o, b. c. where o, b. and c are all distinct.) e. four of a kind? {This occurs when the cards have denominations a, a, a