{"blocks": [{"key": "63bddabb", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "95c99e49", "text": "Hiring-manager question on user-acquisition strategy", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "264fdb21", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "91cecf0b", "text": "Design a controlled TV-advertising experiment to increase website sign-ups: state the hypothesis, randomization method, KPIs, required sample size, test length, and success criteria.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b881d4e8", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b7873ec6", "text": "Think about geo holdouts, time-based rollout, and lift measurement.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}