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A Lorenz curve for income distribution is modelled by i=0.0125p^2, where i is the percentage of cumulative income and p is the percentage of cumulative population, the domain for p {0, 100} and the range for i {0, 100}. Assuming Australia's total combined income is $842,440,000,000, and our population is 23,328,800, what percentage of the population earn over $100,000?
Hint: you need calculus.
Hint: you need calculus.