The U.S. Post Office is interested in estimating the mean weight of packages shipped using the overnight service. They plan to sample 300 packages. A pilot sample taken last year showed that the standard deviation in weight was about 0.15 pound
If they are interested in an estimate that has 95 percent confidence, what margin of error can they expect?A) Approximately 0.017 pound
B) About 0.0003 pound
C) About 1.96
D) Can't be determined without knowing the population mean.
A
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In an efficient capital market
A) security prices fully reflect the knowledge and expectations of all investors at a particular point in time. B) investors and financial managers have no reason to believe the securities are not priced at or near their true value. C) prices of securities adjust as new information becomes available to the market. D) All of the above are true.
You have just started a limousine service and have developed a strategy that stresses quality and luxury. Your limos are always spotlessly clean on the inside, freshly waxed, and stocked with flowers, champagne, free car phones, and televisions. Your drivers are always immaculately dressed and are required to hold the door open for patrons entering and leaving the car. What is your promotional strategy stressing?
a. tangible cues b. patronage-oriented objectives c. prestige prompts d. physiological prompts