COMMERCE 2QA3 Study Guide - Pearson Education, Sampling Distribution, Pearson Product-Moment Correlation Coefficient

• School: McMaster University
• Department: Commerce
• Course: COMMERCE 2QA3
• Professor: Fouzia Baki

Document Summary

Part ii: understanding probability distributions and statistical inference. Multiple choice - test a: a quality assurance manager is interested in determining the likelihood that more than 20 calls come in to a particular customer service centre per hour. What method would be most appropriate for assigning this probability: personal, judgmental, subjective, relative frequency, classical. : 8-2: what is the probability that an investor selected at random neither uses a full service brokerage firm to invest in stocks nor trades online is, 90, 66, 34, 10, 60% An advocacy group is investigating whether gender has an effect on job category in large investment firms. She surveyed a sample of firms with the following results: 100: what is the probability that a randomly selected employee"s job category is executive/managerial, 0. 20, 0. 80, 0. 13, 0. 45, 0. 25. : 8-2: what is the probability that a randomly selected employee"s job category is executive/managerial, given that she is female, 0. 13, 0. 20, 0. 80, 0. 05, 0. 45.