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 and 1, where 0 means the event will not happen and 1 means it will definitely happen.

Front

What is the probability of an event that is certain to happen?

Back

The probability of an event that is certain to happen is 1.

Front

What is the probability of an event that is impossible?

Back

The probability of an event that is impossible is 0.

Front

How do you calculate the probability of a single event?

Back

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

The probability of rolling a 3 is 1/6.

Front

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

Back

The probability of NOT rolling a 2 is 5/6.

Front

What is the probability of spinning an even number on a spinner with numbers 1 to 6?

Back

The probability of spinning an even number is 3/6 or 1/2.

Front

What is the probability of flipping a coin and getting heads?

Back

The probability of flipping a coin and getting heads is 1/2.

Front

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

Back

The probability of choosing a letter that is NOT 'A' is 5/7.

Front

What is the probability of rolling GREATER than a 1 on a single die?

Back

The probability of rolling GREATER than a 1 is 5/6.