tyreegocrazy tyreegocrazy

26-02-2021
Mathematics

contestada

A bag contains 4 black checkers and 8 red checkers. A checker is selected, kept out of the bag, and then another checker is selected. What is p(black, then red)?

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apradhan49 apradhan49

26-02-2021

Answer:

Total checkers = 4 + 8 = 12

P(black, then red) = (8/12)(4/11) = 32/132 /4=33/3 =11

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