Basic Probability Flashcard

Front

What is probability?

Back

Probability is a measure of how likely an event is to 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

What does a probability of 1/2 mean?

Back

It means there is an equal chance of the event occurring or not occurring.

Front

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

Back

1/8

Front

What is the sum of probabilities for all possible outcomes in a probability experiment?

Back

1

Front

True or False: The probability of an event can be greater than 1.

Back

False

Front

True or False: A probability line ranges from 0 to 1.

Back

True

Front

What is theoretical probability?

Back

Theoretical probability is the ratio of the number of favorable outcomes to the total number of possible outcomes.

Front

If a spinner has 3 blue sections and 5 other sections, what is the probability of spinning blue?

Back

3/8