The irs is concerned with improving the accuracy of tax information given by its representatives over the telephone. previous studies involved asking a set of 25 questions of a large number of irs telephone representatives to determine the proportion of correct responses. historically, the average proportion of correct responses has been 70 percent. recently, irs representatives have been receiving more training. on april 26, the set of 25 tax questions were again asked of 20 randomly selected irs telephone representatives. the proportions of correct answers were: 21, 15, 19, 16, 16, 15, 21, 13, 17, 13, 24, 16, 22, 16, 15, 18, 23, 19, 21, and 16.a) what are the upper and lower control limits for the appropriate p-chart for the irs? use z = 3b) is the tax information process in statistical control?

What has caroline's payment history been like? support your answer with two examples

Which of the following would not generally be a motive for a firm to hold inventories? a. to decouple or separate parts of the production process b. to provide a stock of goods that will provide a selection for customers c. to take advantage of quantity discounts d. to minimize holding costs e. all of the above are functions of inventory.

Problem 3: access control pokeygram, a cutting-edge new email start-up, is setting up building access for its employees. there are two types of employees: managers and engineers, and there are three departments: security, networking, and human resoures. each employee works in a single department, and each department is housed on a different floor. managers are allowed access to any floor, while engineers are allowed access only to their own floor. there are three badge-operated elevators, each going up to only one distinct floor. every employee has one badge. pokeygram wants to use the best possible access control method in order to minimize delay for the elevators (a) access control matrix, 1. which of the following would you recommend that pokeygram use: (b) access control lists, or (c) capabilities? make sure to justify your answer. 2. what, if any, would be the benefits (and/or disadvantages) of using rbac (role-based access control) in this situation? keep your solution for this problem limited to 10-12 lines of text.