WE want to know what the risk of sleepless nights are for students taking class A. WE surveyed students and found that 30 of those who took class A did not sleep at least one night in the last week, while 44 slept just fine. For students in other classes, 26% of 270 of those surveyed had a sleepless night in teh last week. What is the relative risk of class A students having a sleepless night?
Relative risk of class A... View the full answer