Question

A bag contain 5 red balls 4 green balls if a ball is drawn randomly from the bag then what i s the probability that the ball is green

Answer 1

Red balls= 5
Green balls= 4
Total balls= 5+4=9
probability= fav. no. of events/total no. of events
Green = 4/9

Answer 2

n(s)=4+5=9
n(E)=4
p(E)=n(e)/n(s)
=4/9