Caroline drew two triangles and used them to construct a rhombus with two acute angles and two obtuse angles. Which could be one of the triangles she used? A triangle has angles 72 degrees, 62 degrees, and blank. A triangle has angles 75 degrees, 75 degrees, and blank. 2 sides are congruent. A triangle has angles 45 degrees, 45 degrees, and 90 degrees. 2 sides are congruent. A triangle has angles 30 degrees, 60 degrees, and 90 degrees.

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.