Statistics & Probability
Conditional Probability flashcards
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- What does “Two-Way Tables” mean?Two-Way Tables
- A table organizing counts by pairs of categorical labels.
- What important condition applies to two-way tables?Two-Way Tables
- A cell count and a marginal total describe different groups.
- What does “Joint Probability” mean?Two-Way Tables
- The probability that two specified event conditions both hold.
- What important condition applies to joint probability?Two-Way Tables
- Joint probability uses the full reference population or sample total.
- What does “Conditional Probability” mean?Conditional Probability
- An event probability within a specified positive-probability subgroup.
- What important condition applies to conditional probability?Conditional Probability
- The condition determines the denominator.
- What does “Reversing a Condition” mean?Conditional Probability
- Distinguishing opposite conditional probabilities through their reference groups.
- What important condition applies to reversing a condition?Conditional Probability
- Reversing the condition generally changes the probability.
- What does “Bayes Updating” mean?Bayes Rule Through Examples
- Updating an event probability after observing evidence.
- What important condition applies to bayes updating?Bayes Rule Through Examples
- Include all pathways contributing to the conditioning event.
- What does “Base Rates and False Flags” mean?Bayes Rule Through Examples
- The contribution of original group frequencies to an updated probability.
- What important condition applies to base rates and false flags?Bayes Rule Through Examples
- Sensitivity alone does not equal the probability a flag is genuine.