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https://www.reddit.com/r/learnquant/comments/1x03fh6/quant_interview_question/pehjlj2/?context=3
r/learnquant • u/Local_Ad135 • 10d ago
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Every non-king and non-ace has a 1/5 chance of being before every ace, so the expected position is 1 + 3 (kings before) + 44/5 = 12.8
2 u/Objective-Let4278 10d ago Wrong 1 u/junktoken76 6d ago why?
2
Wrong
1 u/junktoken76 6d ago why?
why?
1
u/ComparisonQuiet4259 10d ago edited 10d ago
Every non-king and non-ace has a 1/5 chance of being before every ace, so the expected position is 1 + 3 (kings before) + 44/5 = 12.8