A bag contains 15 marbles. The probability of randomly selecting a green marble is One-third. The probability of randomly selecting a green marble, replacing it, and then randomly selecting a red marble is StartFraction 1 over 15 EndFraction. What is the probability of randomly selecting a red marble?
StartFraction 1 over 45 EndFraction
StartFraction 1 over 5 EndFraction
StartFraction 4 over 15 EndFraction
Two-fifths