Understanding Probability Concepts

Front

Probability

Back

Likelihood of an event occurring

Front

Sample Space

Back

Set of all possible outcomes

Front

Event

Back

A subset of the sample space

Front

Probability of an Event

Back

\frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}

Front

Certain Event

Back

Probability = 1

Front

Impossible Event

Back

Probability = 0

Front

Example: Rolling a Die

Back

Probability of rolling a 3 = \frac{1}{6}

Front

Example: Flipping a Coin

Back

Probability of heads = \frac{1}{2}

Front

Complementary Events

Back

Events that are mutually exclusive and exhaustive

Front

Real-Life: Weather Forecast

Back

Probability of rain helps plan activities