please use calculus techniques to solve part c (integration and normal curve equation)! do not use statistical equations or charts other than those specified in the problem. Thank you!!!!

According to a source, the height of American Adult men is normally distributed with a standard deviation of 3 inches and a mean of 70 inches. Please use the normal curve equation and integration to answer the following questions. Also, please use your calculator to evaluate the integral. a) What percent of men have heights between 67 and 70 inches? b) Joe Biden is 6' tall. What percent of men are shorter than him? c) Donald Trump is 6'3". What percent of men are taller than him