Mutually Exclusive and Exhaustive Events

Mutually Exclusive and Exhaustive Events

A set of events E₁ , E₂ , .....E_n are said to be mutually exclusive and exhaustive events if at a time exactly one out of this occurs.

For this type of events.

P(E₁ ∪ E₂ ∪ ....... ∪E_n) = P(E₁) + P(E₂) + ....... + P(E_n) = 1