4. Statistics and Probability
Probability Rules — Quiz
Test your understanding of probability rules with 5 practice questions.
Practice Questions
Question 1
What is the probability of drawing a red card from a standard deck of 52 cards?
Question 2
If two events A and B are independent, and $P(A) = 0.4$ and $P(B) = 0.5$, what is $P(A \cap B)$?
Question 3
A fair six-sided die is rolled twice. What is the probability that the sum of the two rolls is exactly 7?
Question 4
In a class of 30 students, 18 are taking math, 15 are taking science, and 10 are taking both math and science. What is the probability that a randomly selected student is taking either math or science?
Question 5
A bag contains 5 red marbles, 4 blue marbles, and 3 green marbles. If two marbles are drawn without replacement, what is the probability that both are red?