Betty is maximizing her satisfaction from spending her budget on two items, movie rentals and music downloads. If her marginal utility from the last movie rental is twice that from the last music download, what is the price of a movie rental if the price of a music download is $.80?

Increases in the duration of unemployment may

A) reflect a general downturn in economic activity that depresses job openings. B) increase the number of discouraged workers. C) increase the unemployment rate. D) all of the above.

The t-statistic has the following distribution:

A) standard normal distribution for n < 15 B) Student t distribution with n–1 degrees of freedom regardless of the distribution of the Y. C) Student t distribution with n–1 degrees of freedom if the Y is normally distributed. D) a standard normal distribution if the sample standard deviation goes to zero.