What is the probability of guessing the correct answer to a multiple choice question if there are 5 choices

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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.