Raina is putting 12 colored light bulbs into a string of lights. There are 6 white light bulbs, 2 orange light bulbs, and 4 green light bulbs. How many orders of light bulbs are there if two light bulbs of the same color are considered identical (not distinct)?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

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.

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?