{"blocks": [{"key": "e136a551", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "93d707b4", "text": "BCG CodeSignal test – quick-fire probability section", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "5e3f2eed", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "48ac86b0", "text": "You flip a fair coin three times. What is the probability of getting exactly two heads? 2) A bag contains 4 red and 6 blue balls. If you draw two balls without replacement, what is the probability both are red?", "type": "unordered-list-item", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "de5c1972", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d27f55dd", "text": "Use basic binomial and hypergeometric probability rules.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}