A computerized job bank would be most effective in reducing _____ unemployment.

Indirect taxes are levied on

a. spending b. saving c. income d. wealth e. none of the above

The expectation of a random variable X that can take on any of N possible values, Xi with probability Pr[Xi], is denoted as E[X] and defined as:

a. E[X]=???XiPr[Xi]. b. E[X]=??XiPr[Xi]. c. E[X]=?XiPr[Xi]. d. E[X]=?XiPr[Xi].