Front

What is the definition of probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What does it mean if an event is described as 'likely'?

Back

An event is described as 'likely' if the probability of it occurring is greater than 50%.

Front

What does it mean if an event is described as 'unlikely'?

Back

An event is described as 'unlikely' if the probability of it occurring is less than 50%.

Front

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

Back

The probability is 50%, making it as likely as unlikely.

Front

What is the probability of selecting an ace from a standard deck of cards?

Back

The probability is 7.69%, making it unlikely.

Front

What is the probability of choosing a black marble if there are more black marbles than any other color?

Back

The probability is likely.

Front

What is the probability of choosing a green marble if there are only green marbles in the selection?

Back

The probability is certain, or 100%.

Front

If the probability of an event is 80%, how would you classify this event?

Back

The event is likely (probable).

Front

What is the range of probabilities that classify an event as 'likely'?

Back

An event is classified as 'likely' if its probability is between 50% and 100%.

Front

What is the range of probabilities that classify an event as 'unlikely'?

Back

An event is classified as 'unlikely' if its probability is between 0% and 50%.