Also please doC. Determine the range of selling prices in this community that includes three standard deviation around the mean

Assume the selling prices of homes in a particular community follow a normal distribution with a mean of $296,300 and a standard deviation of $42,800. Complete parts a through c. a. Determine the range of selling prices in this community that includes one standard deviation around the mean. The range is from $ 253500 to $ 339100 . (Type integers or decimals. Use ascending order.) b. Determine the range of selling prices in this community that includes two standard deviations around the mean. The range is from $ to $. (Type integers or decimals. Use ascending order.)