A jar contains 4 green, 4 red, and 4 blue marbles. To determine the probability that three marbles drawn without replacement are all different colors, it helps to realize the color of the first marble does not matter and that after each drawing the number of marbles in the jar has decreased.
A jar contains 4 green, 4 red, and 4 blue marbles. To determine the probability that three marbles drawn without replacement are all different colors, it helps to realize the color of the first marble does not matter and that after each drawing the number of marbles in the jar has decreased. For ten points, what is the probability that each of the marbles drawn is a different color? You have fifteen seconds.
A jar contains 4 green, 4 red, and 4 blue marbles. To determine the probability that three marbles drawn without replacement are all different colors, it helps to realize the color of the first marble does not matter and that after each drawing the number of marbles in the jar has decreased.
{16/55}