Biology 2244A/B Study Guide - Midterm Guide: Confidence Interval, Standard Deviation, Sickle-Cell Disease
Document Summary
Note: these questions were taken from an exam offered in a previous term when a different textbook was used. In the term that this exam was offered the following topics were not included: counting rules (ch 3. 8) and the binomial distribution and ci"s for p (chs. Therefore, questions on these topics are not included in this sample exam but will appear on your midterm. Also, we used the letters y and y as the random variable of interest throughout this exam. So, please treat y and y as x and x, respectively to match the notation we"ve been using use this term: in a large population of adults, the mean iq is 112 with a standard deviation of 20. Suppose 200 adults are randomly selected for a market research campaign. Which of the following accurately describes the distribution of iq in this population: refer to the previous question.