Question

If P(A)=a,P(B)=band P(AintersectionB)=cthen the expression of P(A' intersection B') in terms of a,b and c is

Answer 1

Step-by-step explanation:

P(A) = a

P(B) = b

P(A intersection B) = c

P(A union B) = P(A) + P(B) - P(A intersection B) = a+b-c

A' intersection B' = (A union B)' [DeMorgan's law]

P(A' intersection B') = P{(A union B)'} = 1 - P(A union B) = 1 - (a+b-c) = c-a-b+1

Answer 2

${ = 2 > }^{?}$

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