Areal-estate agent earns a commission on a house she sells. her commission 5% on the first $500,000 ofthe sale price of the house. she then earns a 6% commission for the amount above $500,000 of the salé price of the house. how much commission did the agent earn if she sold a house for $585,000?

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