MENTAL-MODELS5 MIN READ
Sort Facts, Assumptions, and Inferences
Sort investigation statements into facts, assumptions, and inferences.
Place each incident-review statement in the bucket it belongs in. Fact Assumption Inference EU 500 errors rose from 0.2% to 4.8% after the 14:05 deploy Customers are angry because Support answered slowly The deploy likely interacted with a region-specific config flag We need a larger QA team Rollback reduced error rate within seven minutes The config path is the highest-probability cause to test first
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