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30 April, 07:00

A bag contains 6 clear marbles and 4 red marbles. One marble is drawn from the bag and replaced. A second marble is drawn from the bag and replaced. What is the probability of getting a red marble the first time AND a red marble the second time?

4/25

1/4

1/5

4/5

+3
Answers (1)
  1. 30 April, 09:00
    0
    The answer is "4/25".

    bag contains 6 clear marbles and 4 red marbles = 6+4=10

    chance of red marble = 4/10

    4/10=2/5

    Now, probability of getting a red marble the first time AND a red marble the second time = (2/5) x (2/5) = 4/25
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