Question

C) A bag contains a mixture of red, blue and green counters.

One counter is picked at random from the bag. The probability that the counter is green is 1/4. Which of the following sets of counters
could have been in the bag?

A)
3 red
6 blue
1 green

B)
6 red
6 blue
4 green

C)
4 blue
4 green
6 red

D)
4 blue
1 green
4 blue

E)
1 red
1 blue
4 green
​

Answer 1

B.

6 red

6 blue

4 green

Explanation:

6 red

6 blue

4 green

————-

16 total

4 green is 1/4 of 16 total so that is the correct probability.