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A bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a black marble

User Wesanyer
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3 votes
The answer would be about 9/15
User Jcadam
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4 votes
9/15


15 marbles in total
9 because i added 5 red marbles + 4 black marbles
User Sachin Vardhan
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