Simple Probability

Front

Probability is ...

Back

the chance that some event will occur.

Front

Probability can be written as ...

Back

a fraction, a decimal, a percent, all of the above.

Front

The probability of it raining today is 30%. What is the probability that it will NOT rain?

Back

70%.

Front

What is the probability of spinning an even number?

Back

50%.

Front

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

Back

1/2.

Front

What is the range of probability values?

Back

0 to 1 (or 0% to 100%).

Front

If the probability of an event is 0, what does that mean?

Back

The event will not occur.

Front

If the probability of an event is 1, what does that mean?

Back

The event is certain to occur.

Front

What is a simple event in probability?

Back

An event that consists of a single outcome.

Front

What is a compound event in probability?

Back

An event that consists of two or more simple events.