Suppose that 2% of the students in a school have head lice and the test for head lice is accurate 75% of the time. what is the probability that a student in the school has head lice, given that the test came back positive? round your answer to the nearest tenth of a percent.

Answer this question only if you know the answer! 30 points and

What is the total area of the figure?

Consider the following estimates from the early 2010s of shares of income to each group. country poorest 40% next 30% richest 30% bolivia 10 25 65 chile 10 20 70 uruguay 20 30 50 1.) using the 4-point curved line drawing tool, plot the lorenz curve for bolivia. properly label your curve. 2.) using the 4-point curved line drawing tool, plot the lorenz curve for uruguay. properly label your curve.