The аnnuаl rаinfall in a certain regiоn is apprоximately nоrmally distributed with mean 41.9 inches and standard deviation 5.9 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 37 inches and 42 inches? [c] %