Topic 2: Probability

Lesson 2.3: The Laws Of Probability — Quiz

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

Practice Questions

Question 1

What is the addition law for the union of two events $A$ and $B$?

Question 2

If events $A$ and $B$ are mutually exclusive, what is the probability of their union?

Question 3

What is the multiplication law for the intersection of two events $A$ and $B$?

Question 4

If $P(A) = 0.3$ and $P(B) = 0.5$, what is $P(A \cap B)$ if $A$ and $B$ are independent?

Question 5

Given $P(A) = 0.4$, $P(B) = 0.3$, and $P(A \cap B) = 0.1$, what is $P(A \cup B)$?