2023 RVHS P2 Q6
2023 RVHS P2 Q6
4 marks
Prelims
Two fair six-sided dice are thrown and the highest score \(X\) is the highest number amongst the two dice.
- State the probability distribution for \(X\).[1]
- Find the expected value and variance for \(X\).[3]
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Answer:(ii) \({\mathrm{E}(X)= 4.47}\), \({\mathrm{Var}(X)= 1.97 }\)
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