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36 votes
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 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 ______.

User Radhika
by
3.1k points

2 Answers

21 votes
21 votes
The awnser if not mistakened is 33.3%
User Orionss
by
3.3k points
14 votes
14 votes

Answer:

33.3%

Explanation:

In total there are 12 coins, those are 4 blue ones and 8 red ones. If we think of these as fractioins we get the following:


(4)/(12) *
(100)/(1) =
(400)/(12) = 33.3%

The probability that the removed coin is blue is 33.3%.

User Cassey
by
2.9k points