One of the keys to successful operation of the central limit theorem is that the sample size must be ___________________

Why has the War Powers Act, which was passed by Congress to limit the president's ability to initiate international conflict, constrained presidents less than its designers had hoped it would?

a. The president has a large group of foreign and defense policy advisors. b. The president has unlimited appropriations for foreign and defense policy. c. The president has the power to approve treaties. d. The president can pass laws that require Congress to act. e. The president cannot use the military without prior approval from Congress.

Kosovo was a province of which of the following states?

a. Bulgaria b. Greece c. Albania d. Serbia