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# Probability

Reference > Mathematics

A brief explanation of probability with examples of different probability values
A simple mathematical formula for determining a probability for a single event
Mutually exclusive outcomes are outcomes that can't both happen simultaneously
Adding probabilities to obtain the probability of two mutually exclusive events
How to calculate the probability of outcomes which are not mutually exclusive
Two outcomes are complementary if they are the only possible outcomes
Independent and dependent events - what they are, how to recognize the difference
Finding the probability of compound events (two events happening together or in succession)

# Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

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