Tom and Harry are playing a game with dice. When there are two consecutive sixes, Tom wins. When any other number appears two times in a row, Harry wins. Who have the better probability of winning and why?

Random variable X is distributed as N(a, b), and random variable Y is distributed as N(c, d). What is the distribution of (1) X+Y, (2) X-Y, (3) X*Y, (4) X/Y?

Given a measuring tape and a watch, how can you measure the height of the Sears Tower, or Bin ben?

Thanks a lot guys. What would be the solution if the derivative is defined as "S1*S2"?

<t>Dear all,I was asked a question, which I am not sure of the answer. Can someone please help?There are 2 assets priced at S1 and S2 respectively. What would be the volatility of the derivative defined as "S1-S2"? Can someone please tell me what I should be reading to get around such questions.Chee...