Rational Choices #1

Senario #1:
There is 3 choices in an experiment, one being:
a) you get 100 bucks straight away
b) you toss a coin, if its heads, you get 250, if you get tails, you have to pay 50 bucks

Senario #2:
There is 2 choices,
a) you originally have 500 bucks, but 100 bucks got stolen
b) you have 400 bucks originally, you toss the coin, if you win, you get 200 bucks

Senario #3:
There is 100 bucks to be devided between 2 person
a) if you agreed to divide, you have to take the other person's terms
b) if you disagree to divide, both get nothing
his proposal will be for you to take 1, and he take 99.

give your answers now! write it in the format of the questions. e.g. a,b,b OR a,b,a OR b,b,a etc

The answers and findings will be in the next blog

adapted from: 读者2006 #8