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A jar contains 10 red marbles and 20 blue marbles. if one red marble is selected and then placed back into the jar, what is the probability of the next marble being a blue marble?
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A jar contains 10 red marbles and 20 blue marbles. if one red marble is selected and then placed back into the jar, what is the probability of the next marble being a blue marble?

User Zypro
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1 Answer

3 votes
you have a 30% chance of getting a blue marble.
User Vsm
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