Abloomberg researcher is seeking a representative sample (of size n = 50) of fortune magazine's list of the 500 largest industrial corporations. she randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected. the researcher is using what type of sampling plan?
a. convenience sampling
b. stratified sampling
c. judgment sampling
d. simple random sampling
e. systematic sampling

Which organization was established to train the hard-core unemployed? - better business bureau- equal employment opportunity commission- environmental protection agency- affirmative action committee- national alliance of business

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.

Cadillac's portfolio consists of sedans, a crossover, a sport utility vehicle, and a high-performance version of the sedan. the sedans are sold through the cadillac dealer network, but the high-performance version is sold in limited volumes and is not available at all dealers. this difference in availability is an example of how the products within the cadillac portfolio are differentiated by the