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11-03-2021
Mathematics

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A bag contains 5 black marbles, 7 blue marbles 3 green marbles 4 red marbles and 1 white marble. What is the probability of selecting a black marble then a red marble

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11-03-2021

Answer: The probability of selecting a black marble then a red marble would be 1/20

Step-by-step explanation: 5/20 x 4/20 = 1/4 x 1/5 = 1/20

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