Homework Answers
1)a) P(a) =P(A)-P(C)=1/2-10/21 =1/42
P(d) =P(S)-P(A)=1-1/2 =1/2
b)here P(C)*P(A)=1/3........(1)
P(A)-P(C')=P(A)-(1-P(C))=P(A)+P(C)-1=1/3
P(A)+P(C)=4/3 .......(2)
solving equation (1) and (2)
P(A)=1
and P(C)=1/3
therefore
P(a) =P(A)-P(C)=1-1/3 =2/3
P(d) =P(S)-P(A)=1-1 =0
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