# Probability and Combinations

## Determine the probabilities of events when arrangement order does not matter

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Probability and Combinations

Use combinations to determine the probability that a specific event will occur.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Probability and Combinations

Use combinations to determine the probability that a specific event will occur.
MEMORY METER
This indicates how strong in your memory this concept is
0

## Probability and Combinations

Use combinations to determine the probability that a specific event will occur.
MEMORY METER
This indicates how strong in your memory this concept is
0