1. let's say you're the dealer and you have a 10 and a 6. you must draw a card (but you won't have
 to draw another one). what are the odds that you bust? (to make it easier assume that the odds
 of drawing all the different ranks of cards are the same. that is, you are as likely to draw a 6 as
 you are to draw a 7 or 10 or ace, etc.) i