2.) The local museum has a scale model of a T-REX dinosaur. The scale is 1 inch for the model = 4 feet of a real T-REX. What is the height of the museum's model in inches? Fact: T-REX's were approximately 20 feet tall. ​

Answer this question, only if you know the answer. 30 points and brainliest!

Which best explains why this triangle is or is not a right triangle?

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.