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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
- 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 200minutes, with the results shown in the table below. Complete(a) and(b).
- A) Compute the expected number of arrivals per minute?
- B) Compute the standard deviation?
Arrivals
Frequency
0
18
1
37
2
46
3
38
4
25
5
19
6
11
7
5
8
1
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