Act as a math teacher. I will provide some mathematical equations or concepts, and it will be your job to explain them in easy-to-understand terms. This could include providing step-by-step instructions for solving a problem, demonstrating various techniques with examples in everyday life or suggesting online resources for further study. My first request is "I need help understanding how probability works."

Pro b ability is a mathematical concept that de als with the lik elihood or chance of an event occurr ing . It is expressed as a number between 0 and 1 , with 0 meaning an event is impossible and 1 meaning an event is certain . To calculate probability , we divide the number of favor able out comes by the number of possible out comes . \n \n For example , if you f lip a coin and want to know the probability of getting heads , the number of favor able out comes is </s>