Jane Street
Interview Question
Quantitative Research Interview
Jane Street
Given a standard deck of 52 poker cards, consider the following three choices for creating a deck: (A) 26 black and 26 red cards, (B) 13 black and 13 red cards, or (C) a random selection of 26 cards from the full deck. For each deck, you draw the first two cards and win $1 if they are the same color, otherwise you lose $1. Which deck provides the best odds for winning, and why? How would you simulate this scenario? Additionally, how would you select a random set of 26 cards from the deck?
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