What is the probability for the following?

Question

Colored crayons are inside two boxes as follows:

Box 1: 2 red crayons, 3 blue crayons, 4 yellow crayons

Box 2: 1 red crayon, 2 blue crayon, 3 yellow crayon

If a box is selected at random from which a crayon is randomly drawn,

a. What is the probability that the crayon drawn is yellow and from Box 1.

b. What for the probability of drawing a red crayon.

Answer 1