Exponential Distribution Median - Quant Trader Interview Question
Difficulty: Easy
Category: Probability & Statistics
Practice quant interview questions from top firms including Jane Street, Citadel, Two Sigma, DE Shaw, and other leading quantitative finance companies.
Topics: probability, exponential-distribution, median, statistics
Problem Description
You are modeling the time until the next order arrives for a highly liquid stock. You assume the inter-arrival times follow an exponential distribution with rate parameter $ \lambda $. What is the median inter-arrival time?
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