1.   What are the odds of choosing a red marble from a bag that contains 20 red marbles, 15 yellow marbles, and 35 green marbles?
    A. 2:5 B. 2:7
    C. 4:7 D. 4:5
    Hint

  2.   What are the odds of not selecting a black ace from a standard deck of 52 cards?
    A. 25:26 B. 26:1
    C. 25:1 D. 1:25
    Hint

  3.   A bag contains 10 blue marbles, 7 white marbles, 6 red marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble?
    A. B.
    C. D.
    Hint

  4.   A weather forecaster states that the probability of rain is 30%. What are the odds that it will rain?
    A. B.
    C. D.
    Hint

  5.   A bag contains 7 purple marbles, 5 yellow marbles, 3 white marbles, and 1 black marble. What is the probability of randomly selecting a marble that is not purple?
    A. B.
    C. D.
    Hint



Glencoe
The McGraw-Hill Companies