Question

1. An urn contains 9 blue, 7 white
and 4 black balls. If 2 balls are
drawn at random, then what is
the probability that only one ball
is white ?

need step by step answer​

Answer 1

Answer:

Total balls = 20

white balls = 7

probability = 7 / 20

Answer 2

Hope you understand please mark me as the brainiest it is easy just read the given pic