Statistics Quest

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Guided, difficulty 2 of 3

“Halves the risk”

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A (fictional) health campaign reports that a new vaccination programme reduced the risk of hospitalisation from 18 per 1,000 people to 7 per 1,000.

(a) What is the absolute reduction in risk, in percentage points (2 decimal places)? (b) What is the relative reduction, in percent (1 decimal place)?