Kenngrößen für Zufallsvariablen Flashcards

1
Q

Erwartungswert - Definition

A
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2
Q

Welche Eigenschaft muss die Zufallsvariable X haben, damit sie immer einen Erwartungswert besitzt?

A

der Wertebereich von X muss endlich sein

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3
Q

Eigenschaften vom Erwartungswert

A
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4
Q

Satz zum Erwartungswert von X im diskreten Wahrscheinlichkeitsraum

A
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5
Q

Varianz - Definition

A
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6
Q

Wie kann man noch die Varianz einer Zufallsvariable berechnen?

A
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7
Q

Standartabweichung - Definition

A
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8
Q

Eigenschaften der Varianz

A
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9
Q

Chebyshev-Ungleichung

A
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10
Q

Markov-Ungleichung

A
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11
Q

Kovarianz - Definition

A
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12
Q

Wie kann man noch die Kovarianz berechnen?

A
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13
Q

Eigenschaften der Kovarianz

A
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14
Q

Varianz der Summe zweier Zufallsvariablen

A
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15
Q

Korrelation - Definition

A
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16
Q

Eigenschaften der Korrelation

A
17
Q

Kovarianzmatrix

A