You mix 1/4 cup of red paint for every 1/2 cup of blue paint to make 3 gallons of purple paint. you decide that you want to make a lighter purple paint. you make the new mixture by adding 1/4 cup of white paint for every 1/4 cup of red paint and 1/2 cup of blue paint. how much red paint, blue paint, and white paint do you use to make 1 1/2 gallons of the lighter purple paint?

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.