mxrvin8456 mxrvin8456
  • 14-12-2022
  • Mathematics
contestada

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?
3/4
2/3
1/2
1/3

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