A bag contains 4 blue marbles and 3 red marbles. What is the probability of picking a blue marble, putting it back in the bag, t
hen picking a red marble?
1 answer:
Answer:
3/14
Step-by-step explanation:
P=3/(3+4+7)=3/14 because each of 14 marbles is equally likely to be drawn.
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Step-by-step explanation:
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