Math Problem Statement

comment montrer que 0<E(nX)−nE(X)<n−1

Solution

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Math Problem Analysis

Mathematical Concepts

Probability Theory
Expected Value (Espérance)
Linear Properties of Expectation

Formulas

E(nX) = nE(X)
0 < E(nX) - nE(X) < n - 1

Theorems

Linearity of Expectation

Suitable Grade Level

Undergraduate (University level)