The number of arrivals per minute at the bank located in a, Ask an Expert

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The number of arrivals per minute at the bank located in a central business district of large city was recorded over a period of 200 minutes, with the results which are given below:

Arrivals            Frequency
-0              14
1                       31
2           47
3                   41
4                       29
5           21
6           10
7            5
8              2

A) find out the expected number of arrivals per minute.

B) find out the standard deviation.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91014

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