Q. 21

Mark the correct alternative in each of the following:

If A and B are two events, then

A.

B. 1 – P (A) – P(B)

C. P(A) + P(B) – P (AB)

D.

Answer :

geogebra-export.png


In the give picture we have,


= (1)


AB = (2)


= (3)


Now, according to the addition theorem of probability we get the equation:



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