Why we use here n= 30  Not n=45  And what is the meaning of n=45 in this question

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 25SGR
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Why we use here n= 30 

Not n=45 

And what is the meaning of n=45 in this question

A metropolitan police agency is studying the incidence of drivers operating their vehicles with
expired driving license. The data collected from drivers who have been stopped by an officer for a
traffic law violation and a traffic summons issued. Data in the below table show the number of
drivers with an expired driving license (considered as nonconfor mities) with an average of 45 drivers
stopped by an officer.
Sample Number of drivers
with an expired
driving license
1
8
2
3
4
1
6.
1
7
8
9.
10
5
11
4
12
3
13
5
14
1
15
16
4
17
6
18
5
19
20
21
22
23
24
7
25
4
26
27
7
28
29
1
30
Use the attached Excel file to solve this question, provide your answers and screenshots below.
Transcribed Image Text:A metropolitan police agency is studying the incidence of drivers operating their vehicles with expired driving license. The data collected from drivers who have been stopped by an officer for a traffic law violation and a traffic summons issued. Data in the below table show the number of drivers with an expired driving license (considered as nonconfor mities) with an average of 45 drivers stopped by an officer. Sample Number of drivers with an expired driving license 1 8 2 3 4 1 6. 1 7 8 9. 10 5 11 4 12 3 13 5 14 1 15 16 4 17 6 18 5 19 20 21 22 23 24 7 25 4 26 27 7 28 29 1 30 Use the attached Excel file to solve this question, provide your answers and screenshots below.
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