You purchase 8 municipal bonds on the first of the year. the current market value price is 99. the commission charge is $6 per bond. what is the cost of the purchasing these bonds? a $1039.25 b. $991.25 c. $7978 d. $7930 select the best answer from the choices provided mark this and retum save and exit nex submit

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