The average life of an electric scooter is 12 years with a standard deviation of 1.5 years. The manufacturer replaces for free all scooters that fail while under a guarantee. If she is willing to replace 3.0% of the scooters that fail, how long of a guarantee (in years) should she offer

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.