Find the Gini Index for the Given Lorentz Curve $L ( x ) = 0.7 x ^ { 2 } + 0.3 x$

Multiple Choice

Find the Gini index for the given Lorentz curve. Round your answer to four decimal places, if necessary. $L ( x ) = 0.7 x ^ { 2 } + 0.3 x$

A) 1.7667
B) 0.2333
C) 0.2000
D) 0.2800