Fav D.

asked • 11/21/20

An urn contains 40 marbles; 25 are red, 10 are white, and 5 are blue. You choose one marble at random.


a. What is the probability of choosing a white marble?


b. What is the probability of choosing a marble that is not blue?


c. You choose a marble at random and are told that it is not blue.

    What is the probability that it is white?


d. You choose a marble at random and are told that it is not blue.

    What is the probability that it is red?


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