{"blocks": [{"key": "5aafbbbb", "text": "Scenario", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "cf0b5fed", "text": "Feature adoption probability modeling", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "9f294bfa", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "4824ef50", "text": "Each user adopts the wallet feature with independent probability p. For n users: (a) expected number of adopters, (b) probability that at least one adopts, (c) given that at least one adopts, probability exactly two adopt.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "0d4cb3aa", "text": "Hints", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "089602c6", "text": "Use the binomial distribution, complement rule, and conditional probability.", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}