Simple Probability

Front

What is probability?

Back

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

Front

What is the probability of an impossible event?

Back

0

Front

What is the probability of a certain event?

Back

1

Front

How do you calculate the probability of a single event?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

What is the probability of spinning a red or spinning a yellow if there are 4 colors: red, yellow, green, blue?

Back

1/2

Front

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

Back

5/6

Front

What is the probability of spinning green if there are 4 colors: red, yellow, green, blue?

Back

1/4

Front

What is the probability of rolling a 7 on a single die?

Back

0

Front

If a spinner has 8 equal sections, what is the probability of landing on one specific color?

Back

1/8

Front

What is the complement of an event?

Back

The complement of an event is the probability that the event does not occur.