Hi

Recommend doing Totals, before preceding to Questions				

	C	D	E	F

				

A	5	11	16	8      40

	 	 	 	 

B	2	3	5	7      17

                7            14           21           15          57

P(AUF)= 40/57 + 15/57 - 8/57 = 47/57   P(A or B) = P(A) + P(B) - P(A and B)



 P(D)= 14/57



 P(BnD)= 3/57



 P(B|F)=  = 7/15    P(A|B) = P(A and B)/P(B)



 P(F|B)=  = 7/17 

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