6. Systems, Sequences and Probability
Probability Basics — Quiz
Test your understanding of probability basics with 5 practice questions.
Practice Questions
Question 1
A bag contains $4$ red, $3$ blue, and $5$ green marbles. What is the probability of picking a blue marble?
Question 2
What is the probability of drawing a face card (King, Queen, or Jack) from a standard deck of $52$ playing cards?
Question 3
If you roll a standard six-sided die, what is the probability of rolling a number less than $3$?
Question 4
A coin is flipped and a standard six-sided die is rolled. What is the probability of getting a 'tail' on the coin and an 'odd' number on the die?
Question 5
In a class of $20$ students, $12$ are girls and $8$ are boys. If one student is chosen at random, what is the probability that the student is a boy?