Two voting districts, c and m, were sampled to investigate voter opinion about tax spending. From a random sample of 100 voters in district c, 22 percent responded yes to the question "are you in favor of an increase in state spending on the arts?" an independent random sample of 100 voters in district m resulted in 26 percent responding yes to the question. A 95 percent confidence interval for the difference (pc−pm) was calculated as −0. 04±0. 12. Which of the following is the best interpretation of the interval?.

The answer is oh i forgot 

Iwas in a argument about a certain class grade with my teacher. it was a ‘a-’when i felt that i deserved a ‘a’. i showed him (my teacher) why i felt i derserved so. i questioned what i got wrong and showed him what i learned. i look back to that teacher with nothing but love and support because that’s the class that i actually learned the most. the moral of the story is to see where the other person is coming from and what they have done. also, when in a conflict, never attack the persons character. this will just make the argument end poorly.

Which of the following is an example of an opposing signal? no examplthates given.   i would say, that traffic lights in a city at major intersections direct the flow of traffic in opposite directions so would be an example.also, stop signs on either side of the same street would be an example. at a train crossing, the light for allowing car traffic in opposite directions or not would be another example.