Probability — Study Plan
CAT · Quantitative Aptitude
Step-by-step Probability study plan for CAT Quantitative Aptitude 2026 — structured month-wise approach to mastering this chapter.
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A structured approach to studying Probability for CAT Quantitative Aptitude.
Study Plan for Probability
Day 1–2: Learn the Theory
Study the chapter thoroughly. Note down definitions, formulas, and key concepts.
Day 3: Practice Problems
Solve practice questions and previous year CAT problems. There are 45 questions available for this chapter.
Day 4: Revise & Test
Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding.
What to Focus On
- Probability measures the likelihood of an event occurring
- Range: 0 ≤ P(E) ≤ 1
- 0 represents impossible events, 1 represents certain events
- Random Experiment: Unpredictable outcome activity
- Sample Space (S): All possible outcomes
- Event (E): Desired outcomes subset
- Mutually Exclusive: Cannot occur together
- Independent: One doesn't affect the other
- Dependent: One affects the other's probability
Common Mistakes to Avoid
When using AND in probability, you should add the individual probabilities instead of multiplying them
The probability of an event can be greater than 1
P(A or B) always equals P(A) + P(B)
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