There 80 visitors in a local restaurant. There are only two menu options today: chicken or fish. If 20% of the visitors ordered chicken, how many visitors ordered fish?

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.

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

32a³b² 8ab² simplify the following expression.