Conditional Probability and Bayes: Choose the Right Denominator
Start with counts, distinguish “given” from “and,” derive Bayes’ formula and test independence with a frequency tree and four explained exercises.
Concordia University · STAT 249
Concordia STAT 249 tutoring
Probability I: one-to-one online tutoring and exam preparation.
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ProbabilityDistributionsStatistical inference
Common difficulties
- Translating words into events and variables
- Selecting a distribution or procedure
- Interpreting results without overstating them
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Exam preparation for STAT 249
Exam preparation can focus on identifying the events and assumptions, choosing a probability or statistical method, and explaining the result.
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