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MathMate - check question
Answers (2)
There are two cases: WB and BW P(WB)=(2/5)*(3/4)=3/10 P(BW)=(3/5)*(2/4)=3/10 Probability of choosing balls of different colours = 6/10=3/5. Check: For same colours P(WW)=(2/5)*(1/4)=1/10 P(BB)=(3/5)*(2/5)=3/1 P(all)=10/10 OK.
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