usmcray910 posted a question Oct 19, 2013 at 7:14pm
A jar contains four white marbles, five red marbles, and six black marbles. If a marble were selected at random, what is the probability that it is white or black?

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answered the question Oct 19, 2013 at 7:21pm
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A jar contains four white marbles, five red marbles, and six black marbles. If a
marble were selected at random, what is the probability that it is white or black?
Total number of marbles = 4+5+6 =...


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