Question: For the following engineering formula: compute the first-order approximate mean and variance for the following two cases: (1) uncorrelated Xs, and (2) correlated Xs as

For the following engineering formula:

compute the first-order approximate mean and variance for the following two cases: (1) uncorrelated Xs, and (2) correlated Xs as functions of the mean and variances and correlation coefficients of the Xs.

Y = X, X, X

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