Three random variables X₁, X₂, X3 have equal variances o2 and coefficient of correlation between X₁ and X₂ of p and between X and X3 and between X and X3 of zero. Find the correlation between Y and Z, where YX₁ + X2, and Z = X₂ + X3 A. 1+P B. √I+P C. 20² (1+p) D. 2√√1+P E. IFP

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