Adesign engineer wants to construct a sample mean chart for controlling the service life of a halogen headlamp his company produces. he knows from numerous previous samples that this service life is normally distributed with a mean of 500 hours and a standard deviation of 20 hours. on three recent production batches, he tested service life on random samples of four headlamps, with the following results: what is the standard deviation of the sampling distribution of sample means for whenever service life is in control? sample service life (hours. 1 495 500 505 500 2 525 515 505 515 3 470 480 460 470 select one: a. 10 hours b. 6.67 hours c. 11.55 hours d. 5 hours e. 20 hours

At the end of the week, carla receives her paycheck and goes directly to the bank after work to make a deposit into her savings account. the bank keeps the required reserve and then loans out the remaining balance to a qualified borrower named malik as a portion of his small business loan. malik uses the loan to buy a tractor for his construction business and makes small monthly payments to the bank to payback the principal balance plus interest on the loan. the bank profits from a portion of the interest payment received and also passes some of the interest back to carla in the form of an interest payment to her savings account. in this example, the bank is acting

Responsible for setting the goals and planning for the future as well as leading and controlling the work of others. out the decisions of top management. often responsible for various departments such as the production, marketing, and accounting departments. process or function of planning organizing leading and controlling. the resources arranged in an orderly and functional way to accomplish goals and objectives. the company on track and making sure goals are met. for the daily operations of a business. examples of this are supervisors, office managers, and crew leaders. act or process of creating goals and objectives as well as the strategies to meet them. for the daily operations of a business. examples of this are supervisors, office managers, and crew leaders. how the firm is structured and who is in charge of whom. direction and vision

Sonic corp. manufactures ski and snowboarding equipment. it has estimated that this year there will be substantial growth in its sales during the winter months. it approaches the bank for credit. what is the purpose of such credit known as? a. expansion b. inventory building c. debt management d. emergency maintenance