Movement by customers between two or more queues in a system is called ________

________ funds are mutual funds that attempt to mirror the movements of existing broad market indicators

A) Internet B) Stock C) Index D) International

The U.S. Census Bureau (Annual Social & Economic Supplement) collects demographics concerning the number of people in families per household. Assume the distribution of the number of people per household is shown in the following table:

x P(x) 2 0.27 3 0.25 4 0.28 5 0.13 6 0.04 7 0.03 Calculate the expected number of people in families per household in the United States. A) 2.71 B) 3.33 C) 3.51 D) 4.33