CAIE: A Level - Mathematics 9709 - Probability and Statistics 1
Discrete Random Variable / Drawing Probability Distribution Table
KEYPOINTS:
Mean OR Expected Value = μ = E(X) = ∑xp
Variance = Var(X) = ∑(x2p) – {E(X)}2
Standard Deviation is the Square Root of Variance [S.D = \(\sqrt{Var}\)]
Past Papers Topic Wise QuestionsA Level: Mathematics 9709 - Probability and Statistics 1Discrete Random Variable | Drawing Probability Distribution Table
