Combined Events

Combined Events

9.1

Combined Events

Combined Events

Definition

Combination of two or more events is an outcome.

Example

The posible outcomes for two pupils playing "Rock-Paper-Scissors" are

{Scissors, Rock}

{Scissors, Paper}

{Scissors, Scissors}

{Rock, Scissors}

{Rock, Paper}

{Rock, Rock}

{Paper, Scissors}

{Paper, Rock}

{Paper, Paper}

Formula

\(n(S) = n(A) \times n(B)\)

\(n(S)\)	All the possible numbers of outcomes.
\(n(A)\) and \(n(B)\)	Represent the number of outcomes of event \(A\) and event \(B\).

Combined Events

9.1

Combined Events

Combined Events

Definition

Combination of two or more events is an outcome.

Example

The posible outcomes for two pupils playing "Rock-Paper-Scissors" are

{Scissors, Rock}

{Scissors, Paper}

{Scissors, Scissors}

{Rock, Scissors}

{Rock, Paper}

{Rock, Rock}

{Paper, Scissors}

{Paper, Rock}

{Paper, Paper}

Formula

\(n(S) = n(A) \times n(B)\)

\(n(S)\)	All the possible numbers of outcomes.
\(n(A)\) and \(n(B)\)	Represent the number of outcomes of event \(A\) and event \(B\).