A box has 1 red ball, 3 yellow balls and 1 blue ball. Three buttons are drawn at random. What is the probability that three of them are different color?
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A box has 1 red ball, 3 yellow balls and 1 blue ball. Three buttons are drawn at random. What is the probability that three of them are different color?
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Answer
12 red,9 green,8 blue,5 yellow
Total balls=34
i) probability of green ball=9/34
ii)probability of yellow ball=5/34
iii)probability of white ball=0/34=0
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