Question

Heidi has 12 marbles: 3 red, 5 blue, and 4

green. She will randomly choose a marble,
record its color, and replace it in the jar. She
will the randomly choose a second marble,
and record its color. What is the probability of
choosing a green marble and then a blue
marble?

Answer 1

4/12 times 5/12
20 /144
5/36 or .138