There are three cards in a box. both sides of one card are black, both sides of one card are red, and the third card has one black side and one red side. we pick a card at random and observe only one side. what is the probability that the opposite side is the same colour as the one side we observed? (a) 3/4 (b) 2/3 (c) 1/2 (d) 1/3
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(b)2/3
As it may be red so he will see two red cards
As it may be red so he will see two red cards
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Answer:
(b) 2/3
Explanation:
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