Probability & Patterns Review Flashcard

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 it mean if an event is 'certain'?

Back

An event is 'certain' if it is guaranteed to happen.

Front

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

Back

An event is 'impossible' if it cannot happen at all.

Front

What is an outcome in probability?

Back

An outcome is a possible result of a probability experiment.

Front

How many sides does a standard die have?

Back

A standard die has six sides.

Front

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

Back

The probability of rolling a 3 is 1/6.

Front

If a spinner has 8 equal sections, how many sections are odd?

Back

If the odd numbers are 1, 3, 5, and 7, then there are 4 odd sections.

Front

What is the probability of picking a blue marble from a bag with 4 yellow and 8 blue marbles?

Back

The probability is likely, as there are more blue marbles than yellow.

Front

What does 'least likely' mean in probability?

Back

'Least likely' refers to the event that has the smallest chance of occurring.

Front

If there are 4 red marbles, 2 green marbles, and 6 blue marbles, which color is least likely to be picked?

Back

Green is least likely to be picked because there are only 2 green marbles.