Compound Probability of multiple events

What is the probability of two events occurring together? First determine if the events and independant or dependant on eachother. Does replacement occur? Do you need product or addition rules. All this answered in this probability math messon. To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: https://paypal.me/tecmath?locale.x=en_AU
To support tecmath on Patreon: https://www.patreon.com/tecmath
To buy tecmath mechandise: https://teespring.com/stores/tecmath-store