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OpenStudy (anonymous):
Find the probability. One digit from the number 3,151,221 is written on each of seven cards. What is the probability of drawing a card that shows 3, 1, or 5? A. 5/7 B. 2/7 C. 4/7 D. 3/7
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OpenStudy (calculusxy):
Since there are seven digits altogether and five of the seven digits are 1, 3, 5. So it is 5/7.
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