In order to estimate the average electric usage per month, a sample of 196 houses was selected and their electric usage was determined
a. Assume a population standard deviation of 350 kilowatt-hours. Determine the standard error of the mean.
b. With a .95 probability, determine the margin of error.
c. If the sample mean is 2000 kWh, what is the 95% confidence interval estimate of the population mean?
a. 25
b. 49
c. 1951 to 2049 kWh
You might also like to view...
At the ______ stage of the cycle of adjustment to the foreign environment, the expatriate can function in the new culture almost as well as at home.
A. mastery B. adjustment C. honeymoon D. culture shock
Busby contracts to build a house for Connell. Busby finishes approximately half of the house and quits. Connell files suit against Busby. Which remedy is not available?
a. Compensatory damages. b. Specific performance. c. Reformation. d. Nominal damages.
Which of the following is true of a traditional certificate of deposit (CD)?
A. Traditional CDs must be kept at the issuing institution for a specified time period. B. Traditional CDs pay no periodic interest. C. Traditional CDs are repaid in installments by the issuing bank. D. Traditional CDs have a floating rate of interest. E. Traditional CDs are discounted when their market price is more than issue price.
The process of encouraging and authorizing workers to take appropriate initiatives to improve the overall firm is commonly known as:
A. employee empowerment. B. problem recognition and solution. C. personnel aggressiveness. D. decision making. E. planning and control.