Exhibit 10-11 An insurance company selected samples of clients under 18 years of age and over 18 and recorded the number of accidents they had in the previous year. The results are shown below. Under Age 18 1-500 Over Age 18 n = 600 Number of accidents = 180 Number of accidents = 150 We are interested in determining if the accident proportions differ between the two age groups. Refer to Exhibit 10-11. The pooled proportion is 000 .305 300 0.027 450

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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Exhibit 10-11
An insurance company selected samples of clients
under 18 years of age and over 18 and recorded the
number of accidents they had in the previous year. The
results are shown below.
Under Age 18
1-500
Over Age 18
n = 600
Number of accidents = 180 Number of accidents = 150
We are interested in determining if the accident
proportions differ between the two age groups.
Refer to Exhibit 10-11. The pooled proportion
is
000
.305
300
0.027
450
Transcribed Image Text:Exhibit 10-11 An insurance company selected samples of clients under 18 years of age and over 18 and recorded the number of accidents they had in the previous year. The results are shown below. Under Age 18 1-500 Over Age 18 n = 600 Number of accidents = 180 Number of accidents = 150 We are interested in determining if the accident proportions differ between the two age groups. Refer to Exhibit 10-11. The pooled proportion is 000 .305 300 0.027 450
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