Question

A bag contains 5 white balls , 4 red balls and 3 black balls . A ball is chosen random . Find the probability that it is not black ?

Answer 1

Answer:

Answer:Let A be the probability of not getting black ball

Answer:Let A be the probability of not getting black ball P(A)= Favourable outcome /total outcome

Answer:Let A be the probability of not getting black ball P(A)= Favourable outcome /total outcome P(A) =9/12 = 3/4