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1 December, 13:36

A bag contains 9 blue coins and 3 red coins. A coin is removed at random and replaced by three of the

other color.

Part 1 out of 3

What is the probability that the removed coin is blue? Enter your answer as a simplified fraction.

The probability that the removed coin is blue is

+3
Answers (1)
  1. 1 December, 13:50
    0
    A bag contains 9 blue coins and 3 red coins a coin is removed at random and replaced by three of the other color
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