Which describes a non-uniform probability model? A) heads or tails from a coin flip
B) the sum result of rolling two dice
C) selecting a ball from 3 red balls and 3 green balls
D) the chance of 1,2,3,4,5 or 6 from rolling a die

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge