A retailer that increases its product line assortment width by adding new products unrelated to its original business and to each other is practicing _____

Instead of having another student help Lenny, the manager is thinking of having two lines instead. Customers will equally divide themselves between the two lines

How long will students wait in line if there's a second server? (Assume that the service time is 5 minutes.) Lenny, a graduate research assistant "moonlights" at the short order counter in the student union snack bar in the evenings. He is the only one on duty at the counter during the hours he works. Arrivals to the counter seem to follow the Poisson distribution with a mean of 8 per hour. Each customer is served one at a time and the service time follows an exponential distribution with a mean of 5 minutes.

In the United States, the Foreign Credit Insurance Corporation:

A) is a subsidiary of the Export-Import Bank. B) provides letters of credit for U.S. importers. C) provides letters of credit for U.S. exporters. D) provides policies that protect U.S. exporters against default by foreign importers.