Suppose the Lorenz curve for the distribution of income of a certain country is given by  Find the Gini coefficient of income. Round your answer to three decimal places.
?

A. 2.632
B. 2.896
C. 4.264
D. 5.632
E. 0.264


Answer: E

Mathematics

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Solve the problem.Find the area between y = (x - 4)ex and the x-axis from x = 4 to x = 9.

A. 4e9 B. e9 - e4 C. 4e9 + e4 D. e9 + e4

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Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A = ; B = .

A. AB is 2 × 2; BA is 1 × 1. B. AB is not defined; BA is 2 × 2. C. AB is 1 × 1; BA is not defined. D. AB is 1 × 1; BA is 2 × 2.

Mathematics

Simplify the complex fraction.

A. 36
B.
C. 1
D.

Mathematics

For the given point, find the coordinates of the image point under a half-turn about the origin.(?2, 3)

A. (2, ?3) B. (2, 3) C. (?3, 2) D. (3, ?2)

Mathematics