What is the probability that the ball is white

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You have two boxes, one with 4 black balls and 3 white balls, the other with 2 black balls and 2 white balls. You pick one box at random and then select a ball from the box. (Utah.l_3)

(a) What is the probability that the ball is white?

(b) If you picked a black ball, what is the probability that it comes from the first box? 3. A dice Is thrown twice. (a) What is the probability that the sum of the faces is greater than 8? ® (b) If at the first throw we get the 6. what is the probability that the sum of the faces is greater than 8?

Reference no: EM132851513

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