Tori is making muffins. The recipe calls for 2 5/6 cups of brown sugar for the muffins and 1 1/3 cups of brown sugar for the topping. Tori has 4 cups of brown sugar. Does she have enough brown sugar to make muffins and the topping? Explain.

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