A bag contains 3 blue coins and 9 red coins. A coin is removed at random and replaced by three of the other color. Part 1 out of

Question

3 years ago

11

A bag contains 3 blue coins and 9 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

Mathematics

2 answers:

charle [14.2K] · Answer 1 · 2022-06-02T01:54:01+03:00

charle [14.2K]3 years ago

4 0

A bag contains 3 blue coins and 9 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?

1/4

Aloiza [94] · Answer 2 · 2022-06-02T00:19:21+03:00

Aloiza [94]3 years ago

3 0

Answer:

1/4

Step-by-step explanation:

Taking one coin out and replacing it with 3 other coins is the same as saying "What is the probability of picking one blue coin out of the 12 coins." Due to this, the answer should be 25%.