Randomly selecting a marble from a bag that contains 2 red , 3 yellow , and 5 green marbles and getting a red or a green marble.
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7/10 is the probability of this question.
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Answer:
Red marbles=2
Yellow marbles=3
Green marbles=5
Total marbles=10
P( getting a red marble)=2/10
=1/5
P( getting a green marble)=5/10
=1/2
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