Probability\Discrete random variables\Properties

No Description Difficulty Syllabus Level
1 Find E(a + bX); NI Easy A-level S1 Related material
2 Find E(bX); NI Easy A-level S1 Related material
3 Find Var(a + bX); NI Easy A-level S1 Related material
4 Find Var(bX); NI Easy A-level S1 Related material
5 Given E(X) and Var(X), find E(X^2); NI Easy A-level S1 Related material
6 Given E(X^2) and E(X), find Var(X); NI Easy A-level S1 Related material
7 Given E(X^2) and Var(X), find E(X); NI Easy A-level S1 Related material