Scribe post for Wednesday October 22

October 22:Scribe- Miranda K

Agenda-

• go over hw 2 and 3
• theory of the 3-person poll

HW 3 big ideas:

• for each voter, the probability that the voter is in favor of your candidate is equal to the proportion in favor of your candidate in the overall population.
• if the overall population is big enough compared to the sample size we can approximate polling by sampling with replacement.
• if the population is big enough to justify the sampling with replacement, we need to limit our polling samples to 5%.

theory of 3 person poll is on p. 378. uses nPr and nCr

homework:

• homework 4
• homework check on thurs/mon. he is checking hw 1-3 in pollsters and stuff on end behavior, and inequalities

*scribe for thursday- taryn M.