There are 50 marbles in a jar. Twenty of the marbles are red and the rest are blue. Suppose that you randomly select 4 marbles.

What is the probability that all 4 marbles selected are red?

0.211

0.08

0.125

0.021

0.015

What is the probability that all 4 marbles selected are red?

0.211

0.08

0.125

0.021

0.015

## 0.021

maybe50marblesinajarandtwentywasred30wasblue