Question

Shikha has 18 Red balls and 9 Green balls. She chooses a ball randomly. Find the probability that the chosen ball is of Red colour. ​

Answer 1

Answer:

total no.of outcomes=27

P(red ball)=18/27=2/3

Answer 2

Answer:

n(s)= 18+9

= 27

n(e) = 18

p(e) = n(e)/n(s)

=18/27

=6/9

=2/3