5. Data and Probability

Probability Basics — Quiz

Test your understanding of probability basics with 5 practice questions.

Practice Questions

Question 1

A bag contains $8$ red, $6$ blue, and $10$ green marbles. If two marbles are drawn without replacement, what is the probability that the first marble is red and the second marble is green?

Question 2

In a group of $35$ students, $20$ play tennis, $15$ play badminton, and $5$ play both. What is the probability that a randomly selected student plays neither tennis nor badminton?

Question 3

A fair six-sided die is rolled twice. What is the probability of rolling an even number on the first roll and a number less than $3$ on the second roll?

Question 4

A standard deck of $52$ playing cards is shuffled. What is the probability of drawing a black card or a King?

Question 5

A spinner has sections labeled $1, 2, 3, 4, 5, 6, 7, 8. What is the probability of landing on a number that is a multiple of $2$ OR a multiple of $3$?