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Number of green marbles

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Reference no: EM131076579

In a box of 15 marbles, 4 are green. You choose 2 at random without replacement

(a) Create a tree diagram for the 2 draws.

(b) Create a probability model for the number of green marbles in two draws.

(c) Find the mean and the standard deviation.

Reference no: EM131076579

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