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Quiz · 4 questions

🎲 The Four Rites of Probability

Conditional, independent, joint, and Bayes — the moves everything else stands on

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Quiz

01You read in a paper: 'P(heart attack | over 60) = 12%.' What does the bar mean?
Hint
The bar restricts the universe. Imagine zooming in to just the people for whom B is true.
02'Heads on a coin' and 'queen of hearts on a card' are independent events. What does that actually mean?
Hint
Mutually exclusive is the opposite — extreme dependence. Independence is the boring middle ground.
03You flip two coins. P(both heads) = ?
04Bayes' rule lets you do what?
Hint
Forward direction is observation. Backward direction is inference.
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