Question

An opinion poll is conducted among a state's electorate to determine the relationship between their income levels and their stands on a proposition aimed at reducing state income taxes. Voters are classified as belonging to either the low-, middle-, or upper-income group. They were asked to indicate their political affiliations—Democrat, Republican, or Independent. Let the letters L, M, and Urepresent the low-, middle-, and upper-income groups, respectively, and let the letters D, R, and I represent Democrat, Republican, or Independent, respectively. (Enter your answers using letter combinations separated by commas. Example: LD, MR, ...)

(a) Describe a sample space S corresponding to this poll.
S =

(b) Describe the event E₁ that a respondent is Democrat.
E₁ =

(c) Describe the event E₂ that a respondent belongs to the upper-income group and is a Republican.
E₂ =
(d) Describe the event E₃ that a respondent belongs to the middle-income group and is not a Democrat.
E₃ =

Answer 1