• Announcements: Please remember that HW3 is due by Wednesday, 11.59pm EST, as usual.

• Video 1: Bayes' Formula: Download file or watch below

• Video 2: Efficacy of multiple-choice exams: Download file or watch below

• Video 3: Monty Hall problem explained: Download file or watch below

A few extra things regarding Monty Hall:

• Play the Monty Hall problem yourself (or run a large simulation on demand): here

• A website that explains Monty Hall in many different nice ways: here

• Are pigeons better at understanding Monty Hall than mathematicians? here

• Video 4: Comparing COVID tests, and the issue of false positives: Download file or watch below

• Video 5: How to improve the above poor performance of COVID tests? Download file or watch below

Sources:

• CDC information on COVID tests: here

• Information on false positives for COVID tests: here