If A and B are mutually exclusive events and P(A∪B) ≠ 0 then P(A/A ∪ B) equals to :

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NIELIT Scientific Assistant ECE 5 Dec 2021 Official Paper
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Answer (Detailed Solution Below)

Option 1 :
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Detailed Solution

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Concept:

For mutually exclusive events A and B, the conditional probability    represents the probability of A occurring given that either A or B has occurred.

Calculation:

Given:

A and B are mutually exclusive events 

Solution:

1. The conditional probability formula:

2. For mutually exclusive events:

3. Therefore:

Final Answer:

The correct expression is 1) .

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