5021机器学习中等数值题short

Recover Missing Observation From EM Mean Update 6

题目

A Gaussian-mixture M-step updates one component mean to 0.875. Three observations contribute to that component with responsibilities 0.8, 0.6, and 0.1. Two observed values are 0 and 1, while the third observation x is missing from the log. What missing x is implied by the updated mean?

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