Desiste has a box of grease pencils eight are green and ten are yellow nine are brown and five are blue what is the probability of selecting a green grease pencil at random replacing it back into the box and then selecting a yellow grease pencil

Answer 1

The total number of grease pencils in the box is 8 + 10 + 9 + 5 = 32.

The probability of selecting a green grease pencil at random is 8/32 = 1/4.

Since the green grease pencil is replaced back into the box, the total number of pencils remains 32 for the second draw.

The probability of selecting a yellow grease pencil after selecting a green grease pencil is 10/32 = 5/16.

Therefore, the probability of selecting a green grease pencil at random and then selecting a yellow grease pencil is (1/4) x (5/16) = 5/64.