Probability-Laws of Total and Compound Probability (ISS (Statistical Services) Statistics Paper I (Old Subjective Pattern)): Questions 1 - 1 of 1

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Question number: 1

» Probability » Laws of Total and Compound Probability

Appeared in Year: 2011

Essay Question▾

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Verify the following identities:

(i) Equation

(ii) Equation


Let A and B are two possible events in the sample space.

(i) Additive law of probability is



{Commutative property Equation }

We know that


This shows that


(ii) This also show by additive law of probability

Let assume BUC = D, then


Putting the

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