November 2016
Intermediate to advanced
303 pages
10h 25m
German
Content preview from Statistik
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4Zufallsvariablen und Zufallsvektoren
Aufgabe 4.1
X sei eine diskrete Zufallsgrö ße, für die folgende Einzelwahrscheinlichkeiten bekannt seien: P(X = −2) = 0.3, P(X = 0) = 0.2, P(X = 1) = 0.1, P(X = 2) = 0.4.
(a)Geben Sie den Träger von X an.
(b)Bestimmen Sie P(−0.5 < X < 2).
(c)Bestimmen Sie die Wahrscheinlichkeit, dass X einen Wert kleiner oder gleich −1 annimmt.
(d)Stellt Abbildung 4.1 (a) die Wahrscheinlichkeitsfunktion zu X dar?
Abb. 4.1: Wahrscheinlichkeitsfunktion
Aufgabe 4.2
In Abbildung 4.1 (b) ist die Wahrscheinlichkeitsfunktion der Zufallsvariable X dargestellt.
(a)Bestimmen Sie P(X ≤ 2).
(b)Ist die Verteilung von X
(A)symmetrisch? ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.