A random sample of 100 credit sales in a department store showed an average sale of 120.00 . From past data, it is known that the standard deviation of the population is 40.00.
a. Determine the standard error of the mean.
b. With a .95 probability, determine the margin of error.
c. What is the 95 confidence interval of the population mean?
Question 2
George Dantzig is important in the history of management science because he developed
a. the scientific management revolution.
b. World War II operations research teams.
c. the simplex method for linear programming.
d. powerful digital computers.
On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
Killer Whale - Size comparison to an average human.
Random doodling
Wetlands Store and Clean Water
Average Global Temperature during the Phanerozoic
Sample root cause analysis: Duplicate dose of a narcotic analgesic.