2. Conditional Probability
Conditional Concepts — Quiz
Test your understanding of conditional concepts with 5 practice questions.
Practice Questions
Question 1
A box contains 10 apples, of which 4 are green and 6 are red. If an apple is randomly selected, what is the probability that it is green given that it is not red?
Question 2
In a deck of 52 cards, what is the probability that a card is a king given that it is a face card (jack, queen, or king)?
Question 3
A fair six-sided die is rolled once. What is the probability that the result is an even number given that it is greater than 2?
Question 4
There are 3 blue, 5 red, and 2 yellow marbles in a bag. One marble is drawn at random. What is the probability that the marble is blue given that it is not red?
Question 5
In a group of 50 people, 30 people like tea, 20 people like coffee, and 10 people like both. What is the probability that a randomly chosen person likes coffee given that they like tea?