VOTER TURNOUT BY INCOME Voter turnout drops steadily as income level declines. The following table gives the percent of eligible voters in a certain city, categorized by income, who responded with "did not vote" in the 2000 presidential election. The table also gives the number of eligible voters in the city, categorized by income.
If an eligible voter from this city who had voted in the election is selected at random, what is the probability that this person had an income in the 17-33 percentile?