A2 - Probability Test

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, where 0 indicates impossibility and 1 indicates certainty.

Front

What is the formula for calculating probability?

Back

The formula for probability is: Probability = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

If a die is rolled, what is the probability of rolling a 3?

Back

Front

What is the probability of NOT rolling a 2 on a single die?

Back

Front

What does it mean if an event is 'certain'?

Back

An event is 'certain' if it is guaranteed to happen, with a probability of 1.

Front

What does it mean if an event is 'impossible'?

Back

An event is 'impossible' if it cannot happen at all, with a probability of 0.

Front

What is the expected outcome when flipping a fair coin 100 times?

Back

The expected outcome for tails when flipping a fair coin 100 times is 50.

Front

What is the total number of choices possible when rolling a die?

Back

The total number of choices possible when rolling a die is 6.

Front

What is the probability of choosing a letter that is NOT 'A' from the word 'ALGEBRA'?

Back

Front

What does 'as likely as not' mean in probability?

Back

'As likely as not' means that the event has a probability of 0.5, indicating it is equally likely to happen or not happen.