For example, in a simple random sample of 25 employees, it would be possible to draw 25 men even if the population consisted of 125 women, 125 men, and 125 nonbinary people.

Experimental probability and the importance of basing this on a large trial are also covered. Classroom Ideas Use as an introduction or recap to lessons on simple probability or use in lessons ...

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.