Question: Find Z and Z , when ... (a) ZX-Y, Mx = 4, x = 3, y = -3, y = 2; (b) Z

Find μ_Z and σ_Z, when ... (a) ZX-Y, Mx = 4, x = 3, y = -3, y

(a) ZX-Y, Mx = 4, x = 3, y = -3, y = 2; (b) Z = X+X+ X3, and = 0x = 4, 0x3 = 12; MX (c) Z=1Xk and x = k and x = =1 (d) Z = X and MXk X and x = 14 and x = 4; ox (e) Z=kX and x = and x = 0; (f) Z=1X and x = k and MX2 = 2, MX3 = 3, whereas = 3, k; = k. Xk

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