4. Statistics and Probability
Conditional Probability — Quiz
Test your understanding of conditional probability with 5 practice questions.
Practice Questions
Question 1
What does $P(A\mid B)$ mean?
Question 2
Which formula gives conditional probability?
Question 3
If $P(A\cap B)=0.12$ and $P(B)=0.30$, what is $P(A\mid B)$?
Question 4
Two events $A$ and $B$ are independent. Which statement must be true?
Question 5
A bag contains $5$ red balls and $3$ blue balls. A ball is drawn at random. If the ball is known to be red, what is the probability that it came from the red group?