Question

a bag contains 4 red ,5 black and 3 yellow ball a ball taken out of the bag at random find the probability ​

Answer 1

1/12 is the probability of taking out of the ball

Answer 2

Answer:

n (E) = 1

n (S) = 4 + 5 + 3

= 12

So,

p (E) = n (E) / n (S)

= 1 / 12