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1. Calculate the mean u, second moment u, and the variance o of the random variable X, that has the probability distribution f(x) = 1/6 for x= -3, -2, -1, 1, 2, 3. *スニ(初ヨ x七=(點)+E)Xt) とり)+1Cも)+2し)+3) %=ン05+る40 Á, Mean u: M %3D ji Second moment u2 : %3D ii. Variance o: E(x)- E) 0-0 こ %3D

1. Calculate the mean u, second moment u, and the variance o of the random variable X, that has the probability distribution f(x) = 1/6 for x= -3, -2, -1, 1, 2, 3. *スニ(初ヨ x七=(點)+E)Xt) とり)+1Cも)+2し)+3) %=ン05+る40 Á, Mean u: M %3D ji Second moment u2 : %3D ii. Variance o: E(x)- E) 0-0 こ %3D

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. Calculate the mean u, second moment u and the variance o of the random variable X, that has the probability distribution f(x) = 1/6 for x= -3, -2, -1, 1, 2, 3. Man u u = EC) = Ź xt = +EX (點)+Xt); %3D とり)+1C)て)+3) %=ン05+る 5t6.3+4 ji Second moment u2: =ECり =をx )ど %3D iii. Variance o: E(x)- E) 0-0 こ 10
Transcribed Image Text:1. Calculate the mean u, second moment u and the variance o of the random variable X, that has the probability distribution f(x) = 1/6 for x= -3, -2, -1, 1, 2, 3. Man u u = EC) = Ź xt = +EX (點)+Xt); %3D とり)+1C)て)+3) %=ン05+る 5t6.3+4 ji Second moment u2: =ECり =をx )ど %3D iii. Variance o: E(x)- E) 0-0 こ 10
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