Question

A bag contains 7 red, 12 white and 4 green balls. What is the probability that:
(a) 3 balls drawn are all white and
(b) 3 balls drawn are one of each colour ?​

Answer 1

Step-by-step explanation:

Total no of possibilities = 7+12+4=23

1) No of possibilities= 3/23 (as 3 are white only)

2) No of possibilities=1/7+1/12+1/4

=40/84=10/21

Hope it helps ❤️❤️❤️❤️