There are 100workers in a plant during a chemical spill and 68of the 70who are exposed to the toxic chemicals develop significant respiratory distress. There are 30 unexposed workers and 27 of them do not develop respiratory distress. What is the relative risk for developing respiratory distress in the exposed group compared to the unexposed group ofworkers?

1.01

Cannot be determined with theinformation given

2.42

9.71