Question

A box contains 720 marbles. The result of 20 marbles pulled at random from the box is given below:

5 red
6 blue
3 green
4 black
2 yellow

Based on this information, how many yellow marbles could be expected in the box?

Answer 1

the answer is 72 Yellow Marbles

Explanation:

Answer 2

There should be 20 yellow marbles based upon these probabilities because 2/20=0.1 and 0.1*200=20.