The action of central banks buying and selling their own currency in large enough quantities to affect the price of that currency is better known as ________.

In a ____________ model, the expected value of the binary dependent variable or (what is the same thing) the probability that Y equals 1 is a linear function of the independent variables.

Fill in the blank(s) with the appropriate word(s).

In which of the following cases did the Supreme Court strike down segregation in America's public schools?

A. Plessy v. Ferguson B. Sweatt v. Painter C. Brown v. Board of Education of Topeka, Kansas D. Swan v. Charlotte-Mecklenburg County Board of Education