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

User Brendan Shanks
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1 Answer

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A = picking a red marble

B = picking a blue marble

P(A * B) = (5/15)(4/15)
P(A * B) = 20/225 or 4/45
User ChikChak
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