today's post is brought to you care of an email that jessica -- my new best business school friend -- sent to her family this week.

What I learned about probabilities at Harvard Business School

The probability that you will get more than 5 hours of sleep a night...1%

The probability that the person you are talking to is smarter than you...99%

The probability that your professor will cold call you when you have no idea what is going on in class...99%

The probability that you will find yourself making jokes about COGS, CAGR and Decision Analysis...99%

The probability that you will think the jokes about COGS, CAGR and Decision Analysis are funny...99%

The probability that no one outside of your HBS class will think that the jokes about COGS, CAGR And Decision Analysis are funny...99%

The probability that you will once again beg your mother to send care packages like when you were in summer camp...99%

The probability that you will find a new appreciation for your 8th grade Ti-82 graphing calculator...99%

The probability that you will consider a summer job working in Investment Banking or Consulting...99%

The probability that you will get a summer job working in Investment Banking or Consulting...99%

The probability that you will seriously regret taking a summer job working in Investment Banking or Consulting...99%

The probability that you will do anything to procrastinate doing your reading for class (like making insane lists and sending them to everyone you know)...100%