Farbod decided to keep a fitness tracker. He was surprised to learn that there were 21 minutes of awake time during the seven hours when he was supposed to be asleep at night. What percentage of the seven hours was Farbod awake during the night? NEED THE ANSWER NOWW PLZ

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