For two events A and B, P(A \cup B)=P(A)+P(B) only when

Correct Answer is : A and B are mutually exclusive.

{A} and {B} are equally likely events

{A} and {B} are exhaustive events

{A} and {B} are mutually independent

{A} and {B} are mutually exclusive.

Probability

Question : 21 of 127

Marks: +1, -0

For two events

A

and

B, P(A ∪ B)=P(A)+P(B)

only when

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