Mathematics, 22.01.2020 00:31, isaihcarter

Will mark brainliest, if answer is correct!

a bag contains 4 blue coins and 8 red coins. a coin is removed at random and replaced by three of the other color.

part 3 out of 3:

if instead the first coin removed is red, what is the probability of drawing a red coin after the three blue coins are put in the bag to replace the red one?

Answers: 1

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a bag contains 4 blue coins and 8 red coins....