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Sample test: Mathematics S6 Free

  1. If X is a random variable with E(X) = 3, what is E(2X + 1)?
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πŸ‡·πŸ‡Ό Free online tests for P6, S3 and S6 πŸ“… 2005–2025 marking guides πŸŽ“ 3 levels: Primary, O-Level, A-Level 🌍 Weekly scholarship updates

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Notes, videos and tests. Choose your level and start today. Now open: Mathematics S6 combination, Unit 9: Random variable.

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