A bag contains 5 blue, 3 red, and 8 green marbles. You choose a marble, do not replace it, and then choose another one. What is the probability that both marbles are red?
Accepted Solution
A:
Answer:1/40Step-by-step explanation:A bag contains 5 blue, 3 red, and 8 green marblesYou have (5+3+8=16) marblesP(red 1) = red/total = 3/16 You do not replace it A bag contains 5 blue, 2 red, and 8 green marblesYou have (5+2+8=15) marblesP(red 2nd) = red/total = 2/15 P(red 1, red 2) = P (red 1)* P (red 2) = 3/16 * 2/15 =1/40