Probability

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 is the probability of an event that is impossible?

Back

0

Front

What is the probability of an event that is certain?

Back

1

Front

If the probability of an event is 0.5, what does that mean?

Back

It means the event is equally likely to occur or not occur.

Front

What is the probability of not winning if the probability of winning is 7/10?

Back

3/10

Front

What is the probability of rolling a 2 on a standard die?

Back

1 out of 6 (1/6).

Front

How many total outcomes are there when rolling a standard die?

Back

6.

Front

If a spinner has 4 equal sections, what is the probability of landing on any one section?

Back

1 out of 4 (1/4).

Front

What does it mean if an event is 'more likely'?

Back

It means the probability of the event is greater than 0.5.

Front

What does it mean if an event is 'less likely'?

Back

It means the probability of the event is less than 0.5.