The earnings of two employees are given below: Employee A: 5% commission on all sales. Employee B: 3% commission on the first $70,000 and 9% commission on anything over $70,000. How much more does a graduated commission employee make over a straight commission employee for sales of $130,000? A. $500 B. $2,000 C. $1,100 D. $1,500

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Which graph has a rate of change of zero

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2