John and Keith are playing a decision making game. They have three decisions to make decision A, decision B, and decision C. Decision A and decision B have certain outcome, but decision C's outcome is uncertain. John would apply optimal decision making process while Keith would rather rely on his hunches. Who would most likely assign a utility value to each of the decisions, John or keith?
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Answer: John

Ben and Andy were two old friends. They both have high levels of cholesterol. Ben was prescribed cholesterol medication, while Andy didn't go to the doctor because he was careless. Which friend didn't take a drug that changed the levels of HMG-CoA reductase?
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Answer: Andy

Dr. Smith studied a group of people under 65 called group I, and a group of people over 65 called group II. Old age signs were more obvious after the age of 65. Which had fewer people freeing up their time for hobbies?
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Answer:
group I