Topic 2: Probability

Lesson 2.3: Conditional Probability — Quiz

Test your understanding of lesson 2.3: conditional probability with 5 practice questions.

Practice Questions

Question 1

What is the definition of conditional probability?

Question 2

If $P(A) = 0.4$ and $P(B|A) = 0.5$, what is the conditional probability of event $B$ given event $A$?

Question 3

In a Venn diagram representing two events, what does the intersection of the circles represent?

Question 4

Which law of probability states that the probability of either event $A$ or event $B$ occurring is given by $P(A) + P(B) - P(A \cap B)$?

Question 5

Given a tree diagram, if you have the probabilities of each branch, how do you determine the probability of a specific path?