Question

There are 2 green,5 yellow, 6 red,and 7 blue marbles in a bag. Erin picks one marble from the bag without looking. What is the probability she will pick a marble out of the bag that is blue?

a) 7% b) 20% c) 35% d) 54%

Answer 1

c 35%

Explanation:

2 green,5 yellow, 6 red,and 7 blue marbles

2+5+6+7 = 20 marbles

P(blue) = blue marbles / total marbles

= 7/20

= 35/100

=35%