Understanding Probability Basics

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

How do you calculate the probability of an event?

Back

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

Front

What is a favorable outcome in probability?

Back

A favorable outcome is the specific result that we are interested in when calculating probability.

Front

What is the total number of outcomes?

Back

The total number of outcomes is the sum of all possible results in a probability experiment.

Front

If a jar contains 4 red, 5 blue, and 6 yellow candies, how many total candies are there?

Back

Total candies = 4 (red) + 5 (blue) + 6 (yellow) = 15 candies.

Front

What is the probability of picking a yellow candy from a jar with 4 red, 5 blue, and 6 yellow candies?

Back

Front

In a box with 8 red balls and 12 blue balls, what is the total number of balls?

Back

Total balls = 8 (red) + 12 (blue) = 20 balls.

Front

What is the probability of picking a red ball from a box with 8 red and 12 blue balls?

Back

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2.

Front

If a spinner is divided into 4 equal sections numbered 1 to 4, how many odd numbers are there?

Back

There are 2 odd numbers (1 and 3) in the sections.