🟪 1-Minute Summary
There are three main types of probability: Classical (theoretical, based on equally likely outcomes), Empirical (based on observed data/experiments), and Subjective (based on judgment/belief). Data scientists primarily use empirical probability when working with real-world data.
🟦 Core Notes (Must-Know)
Classical Probability
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Empirical Probability
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Subjective Probability
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When to Use Each
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🟨 Interview Triggers (What Interviewers Actually Test)
Common Interview Questions
- “How would you estimate the probability of a customer churning?”
- [Answer: Empirical probability from historical data]
🟥 Common Mistakes (Traps to Avoid)
Mistake 1: Using classical probability for real-world events
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🟩 Mini Example (Quick Application)
Scenario
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Solution
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🔗 Related Topics
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