3.26.25 Intro. 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 the probability of an impossible event?

Back

The probability of an impossible event is 0.

Front

What is the probability of a certain event?

Back

The probability of a certain event is 1.

Front

How do you calculate the probability of an event?

Back

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

Front

If a die is rolled, what is the probability of rolling a number greater than 6?

Back

0, because a standard die only has numbers 1 to 6.

Front

In a bag of 30 candies, if there are 15 grape, 7 cherry, 3 lemon, and 5 strawberry, what is the probability of selecting a grape candy?

Back

15/30 or 1/2.

Front

What is the probability of selecting a letter other than 'A' from the word 'ALGEBRA'?

Back

5/7.

Front

What is the total number of outcomes when rolling a single die?

Back

6, since a die has six faces.

Front

If there are 10 total outcomes and 3 are favorable, what is the probability of a favorable outcome?

Back

3/10.

Front

What does it mean if an event is 'equally likely'?

Back

It means that all outcomes have the same chance of occurring.