disjoint events

[bluesnapdragon]

today i asked students (in pairs) to come up with examples of events A, B, and C such that A and B are disjoint, B and C are disjoint, and A and C are NOT disjoint.  here's what they came up with

Comments

[ilai]

...yeah I guess they didn't know you can get herpes without sex :) But more interesting problems get you interesting answers!