If the average number of customers served per hour is five, then the probability that the service exceeds 21 minutes for any customer is ______.
a. 74.1%
b. 54.9%
c. 36.8%
d. 17.4%
d. 17.4%
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Management may have incentive to bias financial information, but the various users of the statements are not likely to have conflicting interests in the financial information
a. True b. False Indicate whether the statement is true or false
Which of the following relationships is invalid?
a. Beginning inventory + purchases of inventory - returns of inventory to vendor-purchase discounts on inventory purchases = goods available for sale. b. Beginning inventory + goods available for sale - ending inventory = cost of goods sold. c. Gross revenues - sales returns - sales discounts = net revenues. d. Net revenues - cost of goods sold - expenses = net income.
For a single server, single queue system with an arrival rate of 18 customers per hour and a service rate of 10 customers per hour, what is the mean server utilization?
a. < 0.25 b. > 0.25 and < 0.50 c. > 0.50 and < 1.00 d. > 1.00 (infeasible)
In contemplation of death during risky surgery, Donnelly, a guitarist, gives his guitars to Cathy. The surgery is successful, and Donnelly does not die. The gift of the guitars is? A) not revoked because it was a gift causa mortis
B) not revoked because it was a gift inter vivos. C) revoked because it was a gift causa mortis. D) revoked because it was a gift inter vivos.