{"blocks": [{"key": "31eca2aa", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "bd842741", "text": "Classic probability brain-teaser used to assess reasoning under conditional probability.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "c2ed8973", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "26190eca", "text": "A family has two children. You learn that at least one of them is a boy. What is the probability that both children are boys? Explain your reasoning.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "2b346649", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "715a675e", "text": "List equally likely pairs: BB, BG, GB, GG; remove combinations inconsistent with the condition.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}