Using a Two-Way Table to Show Combined Outcomes (Grade 12 NSC Matric Mathematical Literacy): Flashcards

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Using a Two-Way Table to Show Combined Outcomes
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Alternative name for two-way table

Contingency table

Purpose of two-way tables

Organize combined outcomes of two events

Rows in two-way table represent

Outcomes of the first event

Columns in two-way table represent

Outcomes of the second event

Cells in two-way table show

Combined outcomes or frequencies

Outcomes when tossing coin twice

4 possible combined outcomes

Total outcomes for two dice

6×6=366 \times 6 = 36

Probability formula in two-way tables

P=favourabletotalP = \frac{\text{favourable}}{\text{total}}

How to express fractions in exams

In lowest terms (simplified)

Row & column totals should equal

Grand total

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