Answered: Zachary has opened up two new…

Name: The National Bank of Zachary has opened up two new drive-through telle
Uploaded: 2024-03-20T07:06:27.000Z
Channel: Bartleby
Description: The National Bank of Zachary has opened up two new drive-through teller windows outside its main office building in downtown Zachary. The bank is not sure that it needs both windows open all days so it has decided to conduct a work sampling study to

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The National Bank of Zachary has opened up two new drive-through teller windows outside its main office building in downtown Zachary. The bank is not sure that it needs both windows open all days so it has decided to conduct a work sampling study to 11:30 am and 1:00 pm to 3:00 pm. The work sampling study was conducted at random over a 5-day period and the following observations were recorded. Bank management wants the study to be 5 percent accurate with a 95 percent confidence level. How many additional sample observations should be taken? Step by step solution

ObservationTellers Idle
Observation Tellers ldle
1
1
16
1
2
1
17
2
3
18
2
4
19
20
1
2
21
2
7
1
22
2
2
23
9
2
24
10
1
25
1
11
1
26
1
12
1
27
ㅇ
13
28
2
14
2
29
ㅇ
15
ㅇ
30
2

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