Simple Probability

Front

What is probability?

Back

Probability is a measure of how likely an event is to occur, expressed as a number between 0 (impossible) and 1 (certain).

Front

What does a probability of 0 mean?

Back

A probability of 0 means that the event cannot happen.

Front

What does a probability of 1 mean?

Back

A probability of 1 means that the event is certain to happen.

Front

What is the sample space in probability?

Back

The sample space is the set of all possible outcomes of an event.

Front

If you flip a coin, what are the possible outcomes?

Back

The possible outcomes are heads and tails.

Front

What is the probability of rolling a 3 on a standard six-sided die?

Back

The probability is 1/6.

Front

What is an unlikely event in probability?

Back

An unlikely event is one that has a probability close to 0.

Front

What is a certain event in probability?

Back

A certain event is one that has a probability of 1.

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

What is the probability of drawing a red card from a standard deck of cards?

Back

The probability is 26/52 or 1/2.