Question

A bag contains 12 blue marbles, 5 red marbles, and 3 green marbles. Jonas selects a marble and then returns it to the bag before selecting a marble again. If Jonas selects a blue marble 4 out of 20 times, what is the experimental probability that the next marble he selects will be blue?

Answer 1

1/5

Explanation:

The experimental probability is

4/20 = 1/5

It is based on actual testing, not based on the number of marbles in the bag, but what is actually drawn