Hi! Can someone check my answers for this question? Thanks!!

Directions: Look for the probability for an experiment that deals with the drawing of two marbles (without replacement) from a bag containing one green, two yellow, and three red marbles. Put the final answer in a/b

1.) P(both marbles are yellow) (My answer: 1/15)

2.) P(neither marble is red) (My answer: 1/5)

both right