Probability of a single event

Front

What is probability?

Back

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

Front

What does it mean if an event has a probability of 0?

Back

It means the event is impossible and will not happen.

Front

What does it mean if an event has a probability of 1?

Back

It means the event is certain and will definitely happen.

Front

What is the probability of drawing a red from a bag with 3 red and 7 blue balls?

Back

3/10

Front

What is the probability of spinning a yellow OR purple on a spinner with 2 yellow and 4 purple sections?

Back

2/6

Front

What is the probability of spinning a 2 AND a red at the same time on a spinner with 6 sections?

Back

0/6

Front

What does 'equally likely' mean in probability?

Back

It means that all outcomes have the same chance of occurring.

Front

What is the probability of getting tails when flipping a coin?

Back

Equally likely (1/2 for heads and 1/2 for tails).

Front

What is the probability of spinning a red or blue on a spinner with 2 red and 2 blue sections?

Back

Unlikely (2/4).

Front

What is a sample space in probability?

Back

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