Question

19. A box contains 3 white balls, 4 black balls and
5 yellow balls. In how many ways can 4 balls be
drawn from the box, if at least one yellow ball is to
be included in the draw?​

Answer 1

Answer:

5/12

Step-by-step explanation:

yellow balls are 5 and there are 12 balls total hence probability of yellow ball is 5/12