A man cashes a cheque for d pounds and c pence at a bank. Assume that the teller by mistake gives the man c pounds and d pence. Assume that the man does not notice the errors until he has spent 23 pence. Assume further that he then notices that he has 2d pounds and 2c pence. Assume still further...
Can anyone solve this puzzle that a friend sent to me?
When Ann is half as old as Mary will be when Mary is three times as old as Mary is now. Mary will be five times as old as Ann is now. Neither Ann nor Mary may vote. How old is Ann?
What sort of distribution (eg binomial, normal..) would you expect each of the following to be? I am trying to get my head around all of these, so any help will be appreciated!
1)the number of goals scored during a football match
2)the height in inches of an individual
3)the number of...