The number of arrivals per minute at a bank
January 13th, 2018
The number of arrivals per minute at a bank located in the central business district of a large city was recorded over a period of 200 minutes with the results shown in the table below. Complete parts a and b to the right.ArrivalsFrequency022143246338424514687481a. Compute the mean number of arrivals per minuteb. Compute the standard deviation for the number of arrivals per minute.