Question

A bag contains 8 red and 5 green balls. two balls are drawn without replacement from the bag. find the probability that both the balls drawn are green

Answer 1

2/5
total green balls 5
probability=2/5

Answer 2

Red balls= 8
Green balls= 5
Total number of balls are 8+5= 13
Probability that both the balls drawn are green= (5/13)(4/12)
= 5×4/13×12 = 5/39