Normally distributed with a mean of 115 and a standard deviation of 4.8. If 36 people are randomly selected, find the probability that their mean blood pressure will be less than 117. Round to four decimal places.

Can anyone help me with my statistics quiz

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.

Select all the statements that apply to this figure

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a