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Mathematics, 18.05.2021 19:40 IIHarmonyII
1. a box contains 11 pink 8 blues and 9 orange marbles. If you pick two marbles without looking , what is the probability that the first will be orange and the second will be pink? 2. You accidentally dropped a coin from the top of 10 stairs. What is the probability that it will land heads up on the seventh step?
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1. a box contains 11 pink 8 blues and 9 orange marbles. If you pick two marbles without looking , wh...
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