M1
1 mark · average 0.8 25% scored 0
The question in our own words · page 5
\(X\) takes the values \(0,1,2,3\) with probabilities \(\frac4k,\ \frac{2k}{75},\ \frac{k}{75},\ \frac2k\). With \(k=15\), find \(\Pr(X>1)\). No calculator.
Source: VCAA 2025 VCE Mathematical Methods Examination 1, Question 4b(i)
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