You have a jar of 20 jellybeans, and 4 are red. Which fraction represents the probability that you will pick a red jellybean out of the jar?

Answer 1

The probability of picking a red jellybean out of the jar can be expressed as the ratio of the number of red jellybeans to the total number of jellybeans in the jar.

In this case, the number of red jellybeans is 4, and the total number of jellybeans is 20. Therefore, the fraction that represents the probability of picking a red jellybean is:

4/20

This fraction can be simplified by dividing both the numerator and denominator by their greatest common factor, which is 4.

4/20 = 1/5

Therefore, the probability of picking a red jellybean out of the jar is 1/5.