Create a tree diagram for the 2 draws create a probability
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.
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in a box of 15 marbles 4 are green you choose 2 at random without replacementa create a tree diagram for the 2 drawsb
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