Question 963364
B-Blue
K-Black
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.
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{{{P(B,K)=P(B)*P(K)=(5/9)(4/8)=5/18}}}
{{{P(K,B)=P(K)*P(B)=(4/9)(5/8)=5/18}}}
{{{P(K,K)=P(K)*P(K)=(4/9)(3/8)=1/6}}}
{{{P(B,B)=P(B)*P(B)=(5/9)(4/8)=5/18}}}
When you sum them up you get 1, which you should get since these are the only four possible outcomes.