The manager of the commercial mortgage department of a large bank has collected data during the past two years Number Approved Frequency concerning the number of commercial mortgages approved per week. The results from these two years (104 weeks) 13 are shown to the right 26 a. Compute the expected number of mortgages approved per week 31 b. Compute the standard deviation. 18 NOUAWN-O a. The expected number of mortgages approved per week is (Round to three decimal places as needed.)