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Mathematics, 05.05.2021 09:30 RiddleMeThis

Simon has two boxes of cards. In one box, each card has one shape drawn on it that is either a triangle or a square. In the other box, each card is coloured either red or blue. Simon picks a card from each box at random. The probability of picking a triangle card is t. The probability of picking a red card is r. Complete the table for the cards that Simon picks, writing each probability in terms of r and t.

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Simon has two boxes of cards. In one box, each card has one shape drawn on it that is either a trian...
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