4874数理金融中等数值题short

Infer Known Control Mean From Adjusted Estimate 9

题目

A raw Monte Carlo estimator has sample mean Xbar=12. The control sample mean is Ybar=103, the desk uses b*=0.5, and the adjusted estimate Xbar - b*(Ybar-mu_Y) equals 10.5. What known control mean mu_Y is implied?

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