TestMastered
All Topics
Counting & Probability

Probability

概率

High frequency
Exam Frequency
6.5
avg per test
3
Quantitative Reasoning
3.5
Math Achievement
What to Study
  • Simple probability
  • Compound events
  • Independent vs dependent events
  • Expected value
Key Formulas
P(event) = favorable outcomes / total outcomes
Expected value = Σ(value × probability)