Q. 21

Mark the correct alternative in each of the following:

If A and B are two events, then


B. 1 – P (A) – P(B)

C. P(A) + P(B) – P (AB)


Answer :


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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