What is the name of the U.S. Supreme Court case decided in 2000 that held that recount procedures in an election must be standardfrom district to district or the procedures violate the Equal Protection Clause?

Officially, the EU tariffs on Chinese and Vietnamese shoe imports are known as:

A) countervailing duties. B) antidumping duties. C) specific duties. D) ad valorem duties. E) temporary surcharges.

A new shopping mall is considering setting up an information desk operated by two employees. Based on information obtained from similar information desks, it is believed that people will arrive at the desk at the rate of 20 per hour

It takes an average of 4 minutes to answer a question. It is assumed that arrivals are Poisson and answer times are exponentially distributed. (a) Find the proportion of the time that the employees are busy. (b) Find the average number of people waiting in line to get some information. (c) Find the expected time a person spends just waiting in line to have his question answered.