Ha! I wish it was D.!
But sadly it's probably B.
hope this helps if not, sorry
Developmental psychologists study all of the following except industrial development.
Answer is D. Industrial
The formula for estimating case fatality rate is: F = A/B *100, where F= case fatality rate, A = number of death recorded and B = number of people diagnosed with the disease. From the question, A = 20, B = 160,
therefore, F = 20/160 * 100 = 12.5.
Therefore, the fatality rate is 12.5.