What are any possible bias in the following situations? a) Year 7 students are interviewed about changes to the school uniform
b) Motorists stopped in peak hour are interviewed about traffic problems
c) Real estate agents are interviewed about the state of the country's economy
d) Politicians are interviewed about the state of the country's economy
e) People are asked to phone in to register their vote on an issue
f) An opinion poll is conducted by posting a questionnaire to people
g) an advertisement claims that "Dog breeders recommend Puppy Meats Dog Food."

In what form is the following linear equation written y=9x+2

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.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤