2. The covariance of two random variables is Oxy = (x-7)(y-7) Show that the covariance is...

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2. The covariance of two random variables is Oxy = (x-7)(y-7) Show that the covariance is zero if the random variables are in

math Statistics-And-Probability

Answer 1

Answer #1

2 xy = (x-7)(y-7) = (xy-aj-ây tāý) = ty - ağray + a ağ = ý(7) Since ğ is constant Similarly ły: a & Oxy = TM-2 ägt a - Ty-2aŭ

Answer 2

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