Question

A box contains 15 cards. There are 5 red cards labeled 1, 2, 3, 4, and 5. There are 5 blue cards labeled 1, 2, 3, 4, and 5. There are 5 green cards labeled 1, 2, 3, 4, and 5. One card is drawn from the box.

What is the probability that it is a green card or it is a red card with a 5?
A. 2/3


B. 1/45


C. 2/5


D. 1/3

Answer 1

1/3+1/3*1/5=2/5

Answer 2

Thank you for the medal.

Answer 3

@dan815

Answer 4

@dan815 @robtobey can you help me on this on