Math Problem Statement
- Die Zufallsvariable X nehme die Werte 1, 2 und 3 mit den Wahrscheinlichkeiten 1/2, 1/3 bzw. 1/6 an. Bestimmen Sie Erwartungswert und Varianz von X.
Solution
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Math Problem Analysis
Mathematical Concepts
Probability Theory
Expected Value
Variance
Formulas
Expected Value formula E(X) = Σ x_i * P(X = x_i)
Variance formula Var(X) = E(X^2) - [E(X)]^2
Theorems
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Suitable Grade Level
Advanced High School
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