Candidates were asked to Binary search shaft clearance tolerance table — monotonic predicate for Regions Financial.
A recurring screen item at Regions Financial: Validate checksum on CAN frame mock — bitfield unpack for Regions Financial.
Interview debriefs from 2025–26 mention: How would you validate a wheel-speed sensor against GPS in a rig — test plan for Regions Financial.
A panel at Regions Financial reused this prompt: Probability: two defective parts in batch of 50 with 4% defect rate — binomial approx for Regions Financial.
Campus hire notes highlight: Parse sensor CSV and flag outliers beyond 3σ — quick script style at Regions Financial.