The economics department secretary wants to estimate the average number of bottled drinks sold each day out of the vending machine. Similar vending machine sales have a standard deviation of 9 bottles per day. She wants to be 95-percent confident that the estimate, x, obtained is within 3 bottles of the true mean ?. How large a sample is needed?
35
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Which policymaking institution determines the money supply, sets the rules for how checks are cleared and how banks obtain new currency, and determines what activities banks may or may not engage in?
A. Treasury Department. B. Commerce Department. C. Securities and Exchange Commission. D. Federal Reserve System.
Which of the following best describes the manager of a profit center?
A) The manager is only responsible for controlling costs. B) The manager is responsible for generating profits and efficiently managing the center's invested capital. C) The manager is only responsible for generating revenues. D) The manager is responsible for generating revenues and controlling costs.
Need theory, expectancy theory, job satisfaction theory, and positive reinforcement are examples of theories to help create organization change at the ______.
A. individual level B. group level C. both individual and group level D. neither individual nor group level
In a minitrial: A) only three jurors are used
B) the trial addresses only portions of the case or certain issues related to the case. C) the decision is always fully binding on the parties. D) none of these.