If E(X) = 6 and E[(X) (X-1) ] = 51, find the second moment= 1 and the variance of X= 2

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.4: Hyperbolas
Problem 5ECP: Repeat Example 5 when microphone A receives the sound 4 seconds before microphone B.
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If E(X) =6 and E[(X)(X-1) ] = 51, find the second moment=
and the variance of X=
Transcribed Image Text:If E(X) =6 and E[(X)(X-1) ] = 51, find the second moment= and the variance of X=
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