Problem 2 (30 points): Consider the following three-class confusion matrix. The matrix shows the classification of a supervised model that uses previous voting records to determine the political party affiliation (Republican, Democrat, or Independent) of members of the United States Senate.

	Computed Decision
	Republican	Democrat	Independent
Republican	42	2	1
Democrat	5	40	3
Independent	0	3	4

(10 points) What percent of the instances were correctly classified?

(10 points) According to the confusion matrix, how many Democrats are in the Senate? How many Republics and how many Independents?

(10 points) How many Republicans were classified as belonging to the Democratic Party?