Question

3. A bag contains 13 yellow balls and 12 red balls. Another bag contains 20 yellow
balls and 15 red balls.
[3]
a) Ifone ball is taken from the first bag, what is the probability of getting a yellow ball.
b) If the balls in two bags are mixed and put in one what is the probability of getting a
yellow ball.
16​

Answer 1

Answer:

a) probability = 13/25. b) probability= 33/60