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OpenStudy (zootedyoungin):
A bag contains 30 marbles, 3 of which are blue, 20 are red, 5 are green, and 2 are purple. Emerson takes a marble out of the bag, records the color, and returns it to the bag. How many purple marbles should he expect after 300 trials
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OpenStudy (kinged):
Take the probability of getting a purple marble and multiply.
OpenStudy (zootedyoungin):
20?
OpenStudy (kinged):
Amazing.
OpenStudy (zootedyoungin):
thanks
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