SOLUTION: A urn contains 2 white balls and 3 red balls. Two balls are drawn in succession. What is the probablity of the second ball being white, given the first ball was A) replaced bef

Question 865986: A urn contains 2 white balls and 3 red balls. Two balls are drawn in succession. What is the probablity of the second ball being white, given the first ball was
A) replaced before the second draw
B) not replaced before the second draw
C) which of the parts, (a) or (b), involve dependent variables?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
5 balls: 2W, 3R
P(2nd W)given the first ball was
A) replaced before the second draw 2/5
B) not replaced before the second draw 2/4
C) which of the parts, (a) or (b), involve dependent variables:
(b) First draw effects the second w/o replacement
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