What would be the approximate value of the coefficient of correlation between advertising and sales where a company advertises aggressively as an alternative to temporaryworker layoffs and cuts off advertising when incoming jobs are on backorder?a.1.0b.0c.–1.0d.–100

Tina is applying for the position of a daycare assistant at a local childcare center. which document should tina send with a résumé to her potential employer? a. educational certificate b. work experience certificate c. cover letter d. follow-up letter

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?

The sign at the bank reads, "wait here for the first available teller," suggests the use of a waiting line system.a. multiple server, single phaseb. random server, single phasec. single server, multiphased. multiple server, multiphasee. dynamic server, single phase