GRADE 12 MATH · CHAPTER 2
Data, statistics & probability
Study each lesson in order, or choose the idea you need today.
- Choose a book
- Choose a chapter
- Study a lesson
Probability & statistics
Find a binomial coin-toss probability
Combine independent equally likely trials with a count of favorable position sets.
AN EXAMPLE FROM THIS CHAPTER
A fair coin is tossed 4 times independently. What is the probability of exactly 1 heads? Give a fraction in simplest form.
Show answer & explanation
There are 16 equally likely ordered outcomes. Choose the 1 head positions in 4 ways: probability = 1/4.
Curriculum & source notes
These are original Little Play study books organized around U.S. school topics. The official curriculum references below guide topic scope and progression. Coverage is selected, not a complete curriculum or a verified match to every state standard. They are not copies of a publisher’s textbook. Check your school’s syllabus and book edition.
High-school courses can be taken in different years. Choose the topic that matches the student’s current course.
Read all curriculum references →