{"blocks": [{"key": "cc93c3b6", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b17f2a74", "text": "During a product-planning session you must define success criteria before development begins.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "656cd3aa", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "40dbc127", "text": "Design the key metrics, guardrails, and experiment plan you would propose, including unit of randomization, sample-size calculation, and runtime monitoring.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "7f7d0e34", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "92b2c092", "text": "Cover north-star vs. diagnostic metrics, power analysis, and data-quality checks.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}