You are expecting an important letter in the mail. as the regular delivery time approaches you glance more and more frequently out the window, searching for the letter carrier. your behavior in this situation typifies that associated with which schedule of reinforcement? a. fixed-ratiob. variable-ratioc. fixed-intervald. variable-interval

Plz me match the correct text in each cell to identify the contributions to the war effort of the three facilities listed. 1. built b-29s, putting hundreds of the war's most advanced aircraft into service 2. large civilian workforce transported soldiers and goods to the two war fronts; built "liberty ships" to move men and supplies across the ocean 3. trained new recruits, held prisoners of war, repaired damaged aircraft, prepared thousands of soldiers for combat bell bomber plant military bases brunswick

For each of the following examples of data, determine which scale of measurement is used. a) the number of miles joggers run per week. b) the starting salaries of graduates of mba programs c) the months in which a firm's employees choose to take their vacations. d) the final letter grades received by students in a math course.

Lyle is concerned about the difference between a company's salaries for its white workers and its colombian workers. in order to place economic pressure on the company, what does lyle need to do?