Complement Rule. Conditional Probability. Example throwing two dice. Example about the U.S. Senate. For more free math videos, visit: www.professorserna.com
The Conditional Probability of event A given event B is the probability that event A happens knowing that event B already happened. If the occurrence of event B doesn't change the probability of A we say that the two events are independent and in that case the probability of A given B is equal to the probability of A. In this video I illustrate these concepts using an example with two dice and another example about the U.S. senate.
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