Definition--Statistics and Probability Concepts--Combination 2
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Algebra >> Probability and Data Analysis >> Probability

Definition--Statistics and Probability Concepts--Combination 2

Combination 2

Combination 2

Topic

Statistics and Probability

Definition

A combination is a selection of items from a larger pool where order does not matter.

Description

Combinations are used in probability to determine the number of ways to select items from a set, which is crucial in fields like cryptography and game theory.

The formula for combinations is 

Combinations 

where n is the total number of items, and r is the number of items to choose.

Understanding combinations is important for students to solve problems involving selections and arrangements without regard to order.

Combinations
A store is having a 50% sale for any three items you pick. 
What are all the possible combinations?

For a complete collection of terms related to Probability and Statistics click on this link: Probability and Statistics Collection.

Common Core Standards CCSS.MATH.CONTENT.6.SP.B.4, CCSS.MATH.CONTENT.6.SP.A.2, CCSS.MATH.CONTENT.HSS.ID.A.1, CCSS.MATH.CONTENT.HSS.ID.A.2, CCSS.MATH.CONTENT.HSS.ID.A.3, CCSS.MATH.CONTENT.HSS.ID.A.4
Grade Range 6 - 12
Curriculum Nodes Algebra
    • Probability and Data Analysis
        • Probability
Copyright Year 2013
Keywords permutations, combinations, probability, definitions, glossary term