Question

a jar contains 12 marbles. four are red, 3 are white, and 5 are blue. A marble is randomly selected, its color recorded, and then the marble is returned to the jar. A second marble is randomly selected. Find the probability that both marbles selected are blue.

Answer 1

the whole probabilities are 144 (12*12)

and the probability to select blue marble twice is 25 (5*5)

so the answer is 25/144




good luck

Answer 2

Hello!

The chance for it to happen the first time is 5/12

The chance for the second is 5/12

You multiply these together to get the answer of 25/144

The answer is 25/144

Hope this helps!