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Anuta_ua [19.1K]
2 years ago
9

what is the probability of selecting a red marble followed by a blue marble if you replace the marble in between drawing. a box

contains 3 red marbles 6 blue marbles and 1 white marble
Mathematics
1 answer:
vredina [299]2 years ago
5 0
Basically, choosing one red marble out of everything is 3 / 10 because there are 3 chances of picking the red marble and 10 marbles overall. Picking one blue marble would be 6 / 10, or 3 / 5. You would multiply these two probabilities together because they are independent of each other:

(3 / 10)*(3 / 5) = 9 / 50

The probability is 9 / 50.
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