4. Inductive Reasoning
Probability Basics — Quiz
Test your understanding of probability basics with 5 practice questions.
Practice Questions
Question 1
A fair six-sided die is rolled twice. What is the probability that the first roll is an odd number and the second roll is a number greater than 4?
Question 2
A jar contains 6 red balls, 4 blue balls, and 5 green balls. If two balls are drawn at random with replacement, what is the probability that both balls are red?
Question 3
A fair coin is tossed twice. What is the probability that the first toss is heads given that at least one of the tosses is heads?
Question 4
A standard deck of 52 playing cards is shuffled. What is the probability of drawing an ace or a spade?
Question 5
In a group of 20 students, 12 study mathematics, 8 study physics, and 5 study both mathematics and physics. What is the probability that a randomly selected student studies mathematics or physics?