z-test for population mean with known variance or large sample approximation — IITM BS previous year questions

z-test for population mean with known variance or large sample approximation is part of One-Sample Tests for Mean, Week 10 in Statistics 2. Prasnya files every IIT Madras BS previous year question from this subtopic here, each one with a worked explanation. Take the whole set as a timed mock and you get accuracy, pacing and per-question analysis back.