Probability Review

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 theoretical probability?

Back

Theoretical probability is the probability of an event calculated based on the possible outcomes in a perfect scenario.

Front

How do you calculate the probability of an event?

Back

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

Front

What is the probability of pulling a red marble from a bag with 3 red, 2 blue, and 4 yellow marbles?

Back

3/9 or 1/3.

Front

What is the probability of picking a quarter from a bag containing 5 quarters, 2 dimes, and 4 pennies?

Back

5/11.

Front

What is the probability of drawing a lemon from a bag with 15 grape, 7 cherry, 3 lemon, and 5 strawberry candies?

Back

1/10.

Front

What is the probability of rolling a 15 with a pair of dice?

Back

Impossible.

Front

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

Back

0.

Front

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

Back

An impossible event has a probability of 0, meaning it cannot happen.

Front

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

Back

A certain event has a probability of 1, meaning it will definitely happen.