200 students in a high school senior class or surveyed about what majors day intended to clear in college of the 200 students 80 plan to major in mathematics 100 plan to major in computer science and 30 plan to pursue a double major in mathematics and computer science using this information answer each of the following questions

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 type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?