1.   All whole-number pairs with a sum of 30 are placed into a hat. How many pairs are there?
    A. 16 B. 15
    C. 30 D. 12
    Hint

  2.   If the mean of three numbers is 4, what is their sum?
    A. 12 B. 64
    C. 27 D. 7
    Hint

  3.   Suppose you spin two spinners, each numbered 1 to 4, and multiply the two outcomes. What is the probability that the product will be even?
    A. B.
    C. D.
    Hint

  4.   Suppose you spin one spinner numbered 1 to 3 and another spinner numbered 1 to 5, and multiply the two outcomes. What is the probability that the product will be odd?
    A. B.
    C. D.
    Hint

  5.   To win the 2-of-7 lottery game, players must match two numbers from 1 to 7 with those selected in a random drawing. What is the probability of winning the game if order did not matter?
    A. B.
    C. D.
    Hint

  6.   In the six-team playoff structure below, what is the probability that Team E will win assuming every team has an equal chance of winning?
   
    A. B.
    C. D.
    Hint



Glencoe
The McGraw-Hill Companies