例题.The odds in favor of winning a game can be found by computing the ratio of the probability of winning to the probability of not winning. If the probability that Team X will win a game is 5/8, what are the odds that Team X will win the game?
A.5 to 3
B.3 to 8
C.3 to 5
D.5 to 8
E.8 to 3
例题.Of the books in a certain room, 50 are written in German, 65 are in Chinese, 120 are in Japanese, 50 are in French, and 150 are in English. If those books are removed randomly from the room, how many must be removed to ensure that 80 of the books removed are written in the same language?
例题.Each of the integers from 10 to 19, inclusive, is written on a separate piece of paper and the ten piece are put into a box. If the pieces are then drawn the numbers on two of the pieces drawn will have a sum of 30?