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There are 6 yellow balls and 9 green balls in a bag. If 3 balls are chosen one by one randomly from the bag without replacement, find the probabilities of the following events.

(a) The first ball chosen is yellow and the last two balls chosen are green.
(b) Only the first two balls chosen are of the same colour.

User Eightyfive
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Answer:

The answer will be A.

User Behr
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