Introduction to 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 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 4 green, 3 red, 2 blue, and 1 yellow marble?

Back

3/10

Front

If a die is rolled, what is the probability of getting a number greater than 4?

Back

1/3

Front

What is the probability of spinning a 2 on a spinner divided into 8 equal parts?

Back

1/8

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

100%.

Front

What is an example of a random event?

Back

Flipping a coin is a random event; it can land on heads or tails.

Front

What does it mean if two events are independent?

Back

Two events are independent if the occurrence of one does not affect the occurrence of the other.