4. Statistics and Probability

Conditional Probability — Quiz

Test your understanding of conditional probability with 5 practice questions.

Practice Questions

Question 1

If $P(A)=0.6$, $P(B)=0.5$, and $P(A\cap B)=0.3$, what is $P(A\mid B)$?

Question 2

Which statement best describes $P(A\mid B)$?

Question 3

A bag contains $3$ red balls and $2$ blue balls. One ball is chosen at random. Given that the ball is red, what is the probability that it is red?

Question 4

If $P(B)=0.8$ and $P(A\cap B)=0.4$, what is $P(A\mid B)$?

Question 5

Which formula correctly defines conditional probability?