A2011 gallup poll found that 76% of americans believe that high achieving high school students should be recruited to become teachers. this poll was based on a random sample of 1002 americans. find a 90% confidence interval for the proportion of americans who would agree with this. interpret your interval in this context. explain what “90% confidence” means. do these data refute a pundit’s claim that 2 / 3 of americans believe this statement? explain.

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

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.

Find the maximum value of p= 4x + 5y subject to the following constraints :