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What is your technique for identifying any overlapping ancestors between two people when examining separate genealogy charts?

Could you lay out the meanings of false positives and false negatives in statistical hypothesis testing, and why they play a crucial role in interpreting the results?

Design a system for managing a distributed A/B testing framework.

Can you identify several optimization algorithms you have come across in your experience? How do you approach optimization when faced with a dataset containing a million variables? How is the simplex method applied to find solutions to optimization problems?

Build a service for log management across distributed systems.

Outline the components of a distributed A/B testing system that ensures statistical validity and prevents experiment collision.

What's your method for determining if two strings can match with one or no character exchanges?

Design a platform for multiplayer online gaming in real-time.

Why is DBSCAN considered a density-based clustering algorithm?

Design a system for real-time stock market data.