Question

a bag has 3 red marbles, 2 blue, 1 yellow and 4 green what is the probability of drawing a red or green

Answer 1

0.7

Explanation:

Total marbles: 10

P(red or green) = 7/10 = 0.7

Answer 2

7/10

Explanation:

3 red marbles, 2 blue, 1 yellow and 4 green = 10 marbles

red or green = 3+4 = 7 marbles

P(red or green) = red or green / total

= 7/10