Computing expected values from probability tables and data-derived distributions — IITM BS previous year questions

Computing expected values from probability tables and data-derived distributions is part of Expected Value of Random Variables, Week 3 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.