Coal is carried from a mine in west virginia to a power plant in new york in hopper cars on a long train. the automatic hopper car loader is set to put 69 tons of coal into each car. the actual weights of coal loaded into each car are normally distributed, with mean μ = 69 tons and standard deviation σ = 0.9 ton. what is the probability that one car chosen at random will have less than 68.5 tons of coal?

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.