RE: Puzzle Contest #11 - First to get all the correct answers wins 10 SBD, all attempts will receive an upvote.

[andreone]

Answer 1a :63 , 1b: 21, 1c: 42
Answer 2 :6
Answer3 : 11
Answer4: Bill should bet $42 on Sprinter E. This gives a Bill 96% chance of winning