Question

One bag contains 7 red chips and 4 yellow chips. Another bag contains 2 red chips and 8 yellow chips. A chip is drawn from each bag. What is the probability that both chips are yellow?

Answer 1

16/55

Explanation:

bag 1 contains 11 chips.(7red,4yellow)

bag2 contains 10 chips.(2red,8yellow)

the probability that both chips are yellow

=P(the first chip is yellow) × P(the second chip is yellow)

=4/11 × 8/10

=16/55