The distribution law of random variable X is given: Calculate the skewness of random variable X. Answer: P₂ 0 0.3 5 0.6 10 0.1

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The distribution law of random variable X is given:
Calculate the skewness of random variable X.
Answer:
X;
P;
1
0.5
The distribution laws of random variables X, Y and Z are given:
0
У
0.4
P
2
0.1
Find the distribution law of random variable
(The answer is the expected value).
P:
ON
0
0.3
0.6
5
0.6
4
0.4
10
0.1
2.
P
7
0.3
2
0.7
XY and calculate its expected value
XT
=
Z
Transcribed Image Text:The distribution law of random variable X is given: Calculate the skewness of random variable X. Answer: X; P; 1 0.5 The distribution laws of random variables X, Y and Z are given: 0 У 0.4 P 2 0.1 Find the distribution law of random variable (The answer is the expected value). P: ON 0 0.3 0.6 5 0.6 4 0.4 10 0.1 2. P 7 0.3 2 0.7 XY and calculate its expected value XT = Z
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