Question

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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Answer 1

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.