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 Over Age 18 n1 = 500 n2 = 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 _____. Group of answer choices .305 .300 .027 .450

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4AGP
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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 Over Age 18
n1 = 500 n2 = 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 _____.
Group of answer choices
.305
.300
.027
.450
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