The sum and product rules of probability refer to methods of figuring out the probability of two events, given the probabilities of each event. The sum rule is for finding the probability of either of two events that cannot occur simultaneously. The product rule is for finding the probability of both of two events that are independent.
Law of Probability: When to use a Product rule and when to use a Sum rule
The sum and product rules of probability refer to methods of figuring out the probability of two events, given the probabilities of each event. The sum rule is for finding the probability of either of two events that cannot occur simultaneously. The product rule is for finding the probability of both of two events that are independent.
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