Qusetion: POLITICAL POLLS 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 are asked whether they favor, oppose, or are undecided about the proposition. Let the letters L, M, and U represent the low-, middle-, and upper-income groups, respectively, and let the letters f, o, and u represent the responses-favor, oppose, and undecided, respectively.
a. Describe a sample space corresponding to this poll.
b. Describe the event E1 that a respondent favors the proposition.
c. Describe the event E2 that a respondent opposes the proposition and does not belong to the low-income group
d. Describe the event E3 that a respondent does not favor the proposition and does not belong to the upper-income group