146. Refer to Table 22-20. In an election, each voter will select the budget closest to his or her most preferred budget. In
which of the following cases does a budget of $22 win?
$22 versus $10, and $22 versus $40
$22 versus $10, but not $22 versus $40
$22 versus $40, but not $22 versus $10
Neither $22 versus $10 nor $22 versus $40
Scenario 22-4
Three members of the DiCarlo family, Vinny, Maria, and Franki, are choosing the entree for a large family reunion. Their
options are: spaghetti, ravioli, lasagne, and pizza. Vinny prefers spaghetti over lasagne, lasagne over ravioli, and ravioli
over pizza. Maria prefers ravioli over spaghetti, spaghetti over pizza, and pizza over lasagne. Frankie prefers pizza over
ravioli, ravioli over lasagne, and lasagne over spaghetti.
147. Refer to Scenario 22–4. Maria recommends using a vote by majority rule and proposes first choosing between
spaghetti and lasagne, then choosing between the winner of the first vote and ravioli, and finally choosing between the
winner of the second vote and pizza. If everyone votes according to his or her preferences,
the winner of the first vote will be spaghetti, the winner of the second vote will be ravioli, and the winner of
the final vote will be ravioli.
the winner of the first vote will be spaghetti, the winner of the second vote will be spaghetti, and the winner of
the final vote will be spaghetti.
the winner of the first vote will be lasagne, the winner of the second vote will be ravioli, and the winner of the
final vote will be ravioli.
the winner of the first vote will be lasagne, the winner of the second vote will be lasagne, and the winner of the
final vote will be ravioli.
148. Refer to Scenario 22–4. Vinny recommends using a vote by majority rule and wants to be sure that his first choice
becomes the winner. Which order should he should propose to use for pairwise voting to ensure his desired outcome?
first choosing between ravioli and spaghetti, then choosing between the winner of the first vote and pizza, and
finally choosing between the winner of the second vote and lasagne
first choosing between pizza and spaghetti, then choosing between the winner of the first vote and lasagne, and
finally choosing between the winner of the second vote and ravioli