De verwachtingswaarde van de
discrete kansvariabele X met getalwaarden: x1, x2, x3 en bijbehorende kansen f (x1), f (x2), f (x3) is |
A. \(\boldsymbol{\displaystyle \sum_{i=1}^{3}\: f(x_i)}\) |
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B. \(\boldsymbol{\displaystyle \sum_{i=1}^{3}\: x_i.f(x_i) }\) | |
C. \(\boldsymbol{\frac 13\displaystyle \sum_{i=1}^{3}\: f(x_i) }\) | |
D. \(\boldsymbol{\frac 13\displaystyle \sum_{i=1}^{3}\: x_i.f(x_i) }\) | |
E. \(\boldsymbol{\text{geen van de vorige} }\) |
[ 6-5328 - op net sinds 1.5.13-(e)-30.10.2023 ]
IN CONSTRUCTION What is the expected value of X ? |
A. |
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B. | |
C. | |
D. | |
E. |