Part 1 . " Spinner Problem "
Answer:
" Expected Payoff " ⇒ $ 6.5 ; Type in 6.5
Explanation:

Solution ; " Expected Payoff " $ 6.5
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Part 2 . " Ticket Problem "
Answer:
" Expected Payoff " ⇒ $ 1.80 ; Type in 1.80
Explanation:
Take the probability of winning into consideration;

Solution ; " Expected Payoff " ⇒ $ 1.80