Question

1. You have three red marbles and 2 green marbles in an urn. You pull out marbles one at a time without replacement until you have 2 of the same color.
a. Draw a probability tree diagram for this scenario.
b. Determine the probability you draw 2 green marbles.
c. Determine the probability you have to pull out 3 marbles given you get 2 green marbles.

Answer 1

let red = R , and green = G