We have a bin with 9 blue marbles and 4 gold marbles we

Reference no: EM13641807

We have a bin with 9 blue marbles and 4 gold marbles. We draw 3 marbles from the bin without replacement. Then we put the marbles back in the bin and repeat this procedure for 20 draws. Let X be the total number of draws that have 3 blue marbles. Find the Probability mass function of X.

Reference no: EM13641807

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