Posted by **Hil-hellpp!** on Wednesday, February 16, 2011 at 12:12am.

selection of

colored balls from two bags. Assume that each bag contains 4 balls. Bag

a contains 2 red and 2 white, while bag b contains

2 red, 1 white, and 1 blue. You randomly select

one ball from bag a, note the color, and place the ball in bag b. You then

select a ball from bag b at random and make note of its color.

(1) What is the probability that both balls are red?

(2) What is the probability that both balls are red given

that the first ball you drew was red?

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