Dr. Sullivan is conducting a clinical trial to determine if…

Dr. Sullivan is conducting a clinical trial to determine if vitamin XX can improve test performance of students in an introductory college nutrition course. Dr. Sullivan puts all the students’ names in a hat and draws names to determine if they will be placed in the control or the experimental group. The experimental group receives a capsule of vitamin XX and the control group a “sugar pill” that tastes and looks identical to the vitamin XX capsule. Neither Dr. Sullivan nor the participants know who is receiving which treatment. This experiment is best described as

Tattoo Inc. manufactures specialized custom-made stickers. T…

Tattoo Inc. manufactures specialized custom-made stickers. To get the business started Ally made an initial investment. Tattoo Inc. uses cost-plus pricing and has an ROI of 25%, total sales of 30,000 units and a desired ROI of $20 per unit. What is the amount of the investment?