Paper 2 · Statistics
⏱ Tested in 1 exam question since 2024
Lesson 10 of 21
Statistics 10 – z-scores 2
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- Find upper-tail probabilities with the complement rule P(z ≥ a) = 1 − P(z ≤ a)
- Draw the mirror-diagram pair to check which area the tables actually give
- Sanity-check answers: the upper-tail probability shrinks fast as z grows
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