The number of arrivals per minute at a bank located in the central business a. Compute the expected number of arrivals per minute. district of a large city was recorded over a period of 200 minutes, with the results shown in the table below. Complete (a) through (c) to the right. H= 2.710 Arrivals Frequency (Type an integer or decimal rounded to three decimal places as needed.) 19 44 b. Compute the standard deviation. 39 35 26 (Type an integer or decimal rounded to three decimal places as needed.) ONOUR WN- C 20 10