Problema Solution
A bag contains 4 red, 2 green, and 2 blue marbles. John is going to draw out a marble without looking in the bag.
What is the probability that he will draw either a green or a blue marble?
Answer provided by our tutors
Probability of drawing green or Blue = (No. of green & blue marbles) /(Total number of marbles) = 4/8 = 1/2 Ans.