X and Y are two random variable and Z = X + Y. Let σx2, σy2 and σz2 be variance of X, Y and Z. Then-A-σz2 = σx2 + σy2B-σz2 ≤ σx2 + σy2C-σz2 < σx2 + σy2D-σz2 > σx2 + σy2-A-σz2 = σx2 + σy2

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X and Y are two random variable and Z = X + Y. Let &sigma;x2, &sigma;y2 and &sigma;z2 be variance of X, Y and Z. Then-A-&sigma;z2 = &sigma;x2 + &sigma;y2B-&sigma;z2 &le; &sigma;x2 + &sigma;y2C-&sigma;z2 &lt; &sigma;x2 + &sigma;y2D-&sigma;z2 &gt; &sigma;x2 + &sigma;y2-A-&sigma;z2 = &sigma;x2 + &sigma;y2

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The correct option is  A &sigma;z2 = &sigma;x2 + &sigma;y2 No answer description is available.

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Q1: X and Y are two random variable and Z = X + Y. Let σ_x², σ_y² and σ_z² be variance of X, Y and Z. Then

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Signals and Systems

Q1: X and Y are two random variable and Z = X + Y. Let σx2, σy2 and σz2 be variance of X, Y and Z. Then

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Q1: X and Y are two random variable and Z = X + Y. Let σ_x², σ_y² and σ_z² be variance of X, Y and Z. Then

For help Students Orientation
Mcqs Questions