The Inclusion-Exclusion Triple - Quant Trader Interview Question
Difficulty: Medium
Category: Probability & Statistics
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Topics: probability, inclusion-exclusion, independent-events, mental-math
Problem Description
A trading firm uses three independent alarm systems to detect unusual market activity. Each alarm has a 90% probability of triggering when such activity occurs. What is the probability that at least one of the alarms triggers during an unusual market event?
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