The аnnuаl rаinfall in a certain regiоn is apprоximately nоrmally distributed with mean 41.2 inches and standard deviation 5.4 inches. Round answers to the nearest tenth of a percent.a) What percentage of years will have an annual rainfall of less than 43 inches? [a]% b) What percentage of years will have an annual rainfall of more than 39 inches? [b]% c) What percentage of years will have an annual rainfall of between 38 inches and 42 inches? [c]%