while i honestly answered all of the questions in the story, i have to admit i did a view source on the codeword because i didn't have the patience to work out the problems in the google doc before seeing how the story ends (disappointingly, i might add).
GP can, however, take other calibration tests elsewhere.
Here is one: http://calibratedprobabilityassessment.org/
Don't cheat this time. There is a valuable lesson here.