CC.2.4.HS.B.4
Recognize and evaluate random processes underlying statistical experiments.
Example Problems
A bag contains 9 blue candies, 7 red candies and 5 green candies.
A candy is chosen from the bag at random.
Find the probability that the candy is: Not Orange
A candy is chosen from the bag at random.
Find the probability that the candy is: Not Orange
A fair coin is flipped 5 times. Let be the number of heads. What is the expected value of ?
In a game you roll a fair six-sided die. You receive (3 times the number showing) dollars minus 5 dollars. What is the expected payout?
Khan Academy Resources
1-on-1 AI tutoring aligned to CC.2.4.HS.B.4. Instant help for students, real-time insights for teachers.
Used in classrooms by 100,000+ students at Baltimore County, Plano ISD, Deer Valley USD, KIPP, and districts nationwide.
Free for teachers, forever →