Deborah needs fabric for her costume. She buys 3.25 yards of material at $5.87 a yard. Question: What is the total cost of the fabric? Round to the nearest cent (hundredths place). You must show your work to receive all possible points. Note: Enter your answer and show all of the steps that you use to solve this problem in the space provided

Researchers are conducting experiments to determine the role of alcohol in the development of depression. after the study is complete, they determine that the relative risk of developing depression is 1.55 with a 95 % ci of 1.2 -1.9. each group is then divided into nonsmokers and smokers. the relative risk for the nonsmokers is 1.12 with a 95% ci of 0.87-1.37. the relative risk for the smokers is 1.7 with a 95 % cl of 1.5-1.9. what type of bias may affect this study? a. procedure bias b. recall bias c. selection bias d. confounding e. lead-time bias