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Grade -10 (SEE) Math Probability

There are 10 yellow and 12 green marbles of the same shape and size in a box. Two marbles are drawn from the box in succession without replacement. Show the probabilities in the tree diagram.

There are 10 yellow and 12 green marbles of the same shape and size in a box. Two marbles are drawn from the box in succession without replacement. Show the probabilities of all outcomes in the tree diagram.

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Tribhuvan University > Institute of Science and Technology > M.Sc. CSIT

Let, the event of getting a yellow marble be Y.

And the event of getting green marble be G.

Then, n(Y) = 10, n(G) = 12

And the total number of marbles = 10 + 12 = 22

A probability tree diagram when two marbles are drawn randomly in succession without replacement is given below.

Possible outcomes

Tree diagram Q_10b (1)

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