If I have 11 red, 23 yellow, and 19 green marbles in a bag, what is the probability that it takes me exactly 4 tries to select a green marble? Note: This is sampling with replacement.
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We should find out the total number of Marbles in the bag. That is,
11+23+19=53.
So now, according to the question,
=4/53.
Well mate, I think it's the answer. I'm sorry if I'm wrong.
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