It is known that the standard deviation of the lives of these tubes is 150 150 hours. The company’s research department takes a sample of 100 100 such tubes and finds that the mean life of these tubes is 2250 2250 hours. What is the probability that this sample mean is within 25 25 hours of the mean life of all tubes produced by this company?

Dodd corporation uses the weighted-average method in its process costing system. this month, the beginning inventory in the first processing department consisted of 400 units. the costs and percentage completion of these units in beginning inventory were:

Management discovers that a supervisor at one of its restaurant locations removes excess cash and resets sales totals throughout the day on the point-of-sale (pos) system. at closing, the supervisor deposits cash equal to the recorded sales on the pos system and keeps the rest. the supervisor forwards the close-of-day pos reports from the pos system along with a copy of the bank deposit slip to the company’s revenue accounting department. the revenue accounting department records the sales and the cash for the location in the general ledger and verifies the deposit slip to the bank statement. any differences between sales and deposits are recorded in an over/short account and, if necessary, followed up with the location supervisor. the customer food order checks are serially numbered, and it is the supervisor’s responsibility to see that they are accounted for at the end of each day. customerchecks and the transaction journal tapes from the pos system are kept by the supervisor for 1 week at the location and then destroyed. what control allowed the fraud to occur?

Abusiness cycle reflects in economic activity, particularly real gdp. the stages of a business cycle