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A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is that probability that the chosen marble will be blue? A. 1/12 B. 1/4 C. 1/3 D. 3/4
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A bag contains 3 red marbles, 5 yellow marbles, and 4 blue marbles. One marble is chosen at random. What is that probability that the chosen marble will be blue?

A. 1/12
B. 1/4
C. 1/3
D. 3/4

User Lenoarod
by
7.8k points

2 Answers

4 votes
C 1/3. There are twelve marbles in all so that will be the denominator. Then, there is not just one blue marble but 4. So that is 4/12 After, you need to simplify. So 4/12=2/6= 1/3!
User Duilio
by
7.0k points
4 votes
Correct answer is C.

User Lulumeya
by
7.6k points
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