probability simple events

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, where 0 means the event cannot happen and 1 means the event is certain.

Front

What is a simple event in probability?

Back

A simple event is an event that consists of a single outcome. For example, rolling a 3 on a die is a simple event.

Front

How do you calculate the probability of a simple event?

Back

The probability of a simple event is calculated by dividing the number of favorable outcomes by the total number of possible outcomes.

Front

If a jar contains 6 red, 3 blue, and 1 yellow marble, what is the total number of marbles?

Back

The total number of marbles is 10 (6 red + 3 blue + 1 yellow).

Front

What is the probability of picking a yellow marble from the jar?

Back

The probability of picking a yellow marble is 1/10.

Front

What does it mean if the probability of an event is 0?

Back

If the probability of an event is 0, it means that the event cannot occur.

Front

What does it mean if the probability of an event is 1?

Back

If the probability of an event is 1, it means that the event is certain to occur.

Front

In a spinner divided into 4 equal parts, what is the probability of landing on any one part?

Back

The probability of landing on any one part is 1/4.

Front

If a spinner has 3 red, 2 blue, and 1 green section, what is the probability of landing on red?

Back

The probability of landing on red is 3/6 or 1/2.

Front

What is the probability of spinning a number less than 6 on a spinner numbered 1 to 8?

Back

The probability of spinning a number less than 6 is 5/8.