MATH 218 Study Guide - Midterm Guide: Continuity Correction, Subliminal Stimuli, Null Hypothesis
Document Summary
Every numerical answer should be simpli ed to a fraction or decimal. You must show your work and justify your methods to obtain full credit. Use the continuity correction wherever it is appropriate. If you can"t do one part of a problem but need that answer later, guess an answer and use that guess for the later part. The exam is worth a total of 200 points. Problem 1. (20 points) a company with 1,000 employees has the following distribution of salaries for three age groups: under 30 years between 30 and 50 over 50 years under ,000 over ,000. Problem 2. (20 points) in a certain country 3 out of every 50 inhabitants are infected with malaria. A test is used to detect malaria; however the test is not always accurate. For people without the disease the test gives a false result. Problem 3. (20 points) a furniture retailer receives a shipment of sixteen so- fas from a factory.
