I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Thursday, March 26, 2009
Six Sides Faceup
With a standard six-sided die, how many throws are required on average before each of the six numbers has landed faceup?