Question

There are 10 yellow cards, 6 green, 9 orange and 5 red cards in a stack turned face down. Once a card is selected it is not replaced. Find each probability.

P(two cards that are not orange)

Answer 1

yellow = 33.3 %

green = 20%

orange = 30%

red = 16.6%

Explanation:

all in all there are 30 cards

10 ➗ 30 = 0.333 = 33.3%

6 ➗ 30 = 0.20 = 20%

9 ➗ 30 = 0.30 = 30%

5 ➗ 30 = 0.166 = 16.6%