PLEASE EXPLAIN HOW YOU GOT THE ANSWER AND IF IT CAN BE DONE ON FINANCIAL CALCULATOR, THANK YOU :)

Over a particular period, an asset had an average return of 5.0 percent and a standard deviation of 8.3 percent. What range of returns would you expect to see 68 percent of the time for this asset? (A negative answer should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Expected range of returns What about 95 percent of the time? (A negative answer should be indicated by a minus sign. Input your answers from lowest to highest to receive credit for your answers. Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) Expected range of returns % to %