What is the Gini Index?

A metropolitan city's Lorenz curve can be modeled by the function L(x) = x3.4 as percents rounded to two decimal places.) A. Find the percentage of income controlled by the poorest 10%. (5 points). The percentage of income controlled by the poorest 10% is B. Find the percentage of income controlled by the richest 25%. (5 points). The percentage of income controlled by the richest 25% is C. Find the Gini Index for this city. (5 points). The Gini Index for this city is