For example, suppose you wanted to know the probability that the S&P 500 would return a positive percentage this year, given initial gross domestic product (GDP) figures.

For example, 'I predict that there is a 50% chance of rain tomorrow'. ... How mathematics can give a probability or likelihood answer to events that are not certain in a mathematical way.

A mysterious math problem from Science Buddies. If you survey a random group of just 23 people there is actually about a 50–50 chance that two of them will have the same birthday.

This example illustrates how to create and s charts with probability limits. The following statements read the kilowatt power output measurements from the data set TURBINE (see "Creating Charts for ...