A bag contains 8 red marbles, 4 blue marbles, and 5 white marbles. Tom picks two marbles at random, without replacement. What is the probability that Tom picks two blue marbles?

What is the probability that Tom picks a red and a blue marble?

What is the probability that Tom picks two red marbles?

P(B,B) = 3/68

P(R,B) = 2/17

P(R,R) = 7/17

Step-by-step explanation:

P(B,B) = 4/17 · 3/16 = 3/68

P(R,B) = 8/17 · 4/16 = 2/17

P(R,R) = 8/17 · 7/16 = 7/17

answer: rolling a number cube and flipping a coin.

step-by-step explanation:

2, 2, 2 or -4, 20, 29

step-by-step explanation:

there is two ways you can do it.