The t distribution allows the calculation of confidence intervals for means for small samples when the population variance is not known, regardless of the shape of the distribution in the population

Which of the following best expresses the difference between a buyer's deposit in a sales transaction, and an optionee's deposit in an option contract:

a. in a sales transaction, the buyer is not entitled to a return of his/her deposit b. in an option contract, the optionee is entitled to a return of his/her deposit if they decide not to exercise the option c. in an option contract, the optionee's deposit is nonrefundable d. in a sales transaction, a buyer is entitled to a refund of their deposit up until five days before closing

In response to the global financial crisis of 2008-2009, the International Monetary Fund began to:

A. exercise tight controls on fiscal policy of the borrowing countries. B. encourage activities that prevent high inflation rates. C. display inflexibility in policy responses. D. urge countries to adopt policies that included fiscal stimulus and monetary easing. E. adopt a "one-size-fits-all" approach to macroeconomic policy.