Sock Drawer Problem | Quant Interview Questions #12

After 415 job applications, I got my Quant job, here's what I learnt:    • Applied to 415 Quant Jobs, Learn From My M...   STEM Students: Do THIS, Beak into Quant Finance:    • STEM Student? Break Into Quant Finance!   Copy my EXACT resume and cover letter, Kick start your quant applications with a 33%-DISCOUNT Fall Application Sale using code RRWDV1T4 https://buymeacoffee.com/myquantitati... Question: A drawer contains red socks and black socks. When two socks are drawn at random, the probability that both are red is 1/2. (a) How small can the number of socks in the drawer be? (6) How small if the number of black socks is even? Step-by-step walkthrough of the sock drawer problem found as Question 1 of Frederick Mosteller's Fifty Challenging Problems in Probability With Solutions This question is suitable as practice for Quant Trading, Quantitative Researcher, Quantitative Developer, Desk Quant and Data Scientist technical interviews Free Resources: Free Excel List of Firms Google Drive: https://shorturl.at/vMUX8 Question Source: Question 1 of “Fifty Challenging Problems in Probability With Solutions" - Frederick Mosteller' #quant #interview #statistics #probability #datascience #quantfinance #interviewquestions