Lesson: Addition Rule for Probability

In this lesson, we will learn how to find the probability of unions and intersections of events using the addition rule for probability.

Sample Question Videos

Q1:

Denote by and two events with probabilities and . Given that , find .

Q2:

Denote by and two events with probabilities and . Given that , find .

Q3:

Suppose and are two events with probability and . Given that , what is the probability that at least one of the events does not occur?

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