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31 votes
31 votes
A bag contains 4 blue coins and 7 red coins. A coin is removed at random and placed by three of the other color.

What is the probability that the removed coin is blue?​

User Bcat
by
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1 Answer

14 votes
14 votes

Answer:

The probability is 7/11

Explanation:

This is because there are 7 blue coins that you can grab out of 11 coins in total.