The computers of six faculty members in a certain department are to be replaced. two of the faculty members have selected laptop machines and the other four have chosen desktop machines. suppose that only two of the setups can be done on a particular day, and the two computers to be set up are randomly selected from the six (implying 15 equally likely outcomes; if the computers are numbered 1, 2,…, 6, then one outcome consists of computers 1 and 2, another consists of computers 1 and 3, and so on). a. what is the probability that both selected setups are for laptop computers

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.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?