Solved

Var(aX + BY)=
A) a2σX2+b2σY2a ^ { 2 } \sigma \stackrel { 2 } { X } + b ^ { 2 } \sigma \stackrel { 2 } { Y }

Question 2

Multiple Choice

var(aX + bY) =


A) a2σX2+b2σY2a ^ { 2 } \sigma \stackrel { 2 } { X } + b ^ { 2 } \sigma \stackrel { 2 } { Y }
B) a2σX2+2abσXY+b2σY2.a^{2} \sigma_{\mathrm{X}}^{2}+2 a b \sigma_{X Y}+b^{2} \sigma_{Y}^{2} .
C) σXY+μXμY\sigma _ { X Y } + \mu _ { X } { } ^ { \mu } Y ^ { * }
D) aσX2+bσY2a \sigma _ { \mathrm { X } } ^ { 2 } + b \sigma _ { \mathrm { Y } } ^ { 2 }

Correct Answer:

verifed

Verified

Related Questions

Unlock this Answer For Free Now!

View this answer and more for free by performing one of the following actions

qr-code

Scan the QR code to install the App and get 2 free unlocks

upload documents

Unlock quizzes for free by uploading documents