SOLUTION: an urn contains 12 balls identical in every respect except color. there are 3 red balls, 7 green balls, and 2 blue balls. you draw two balls from the urn but replace the first ball
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Question 284003: an urn contains 12 balls identical in every respect except color. there are 3 red balls, 7 green balls, and 2 blue balls. you draw two balls from the urn but replace the first ball before drawing the second. find the probability that the first ball is red and the second is green.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
3/12*7/12
21/144
7/48=.1458 or 14.58% ans.
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