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Author Question: Exhibit 11-8An insurance company selected samples of clients under 18 years of age and over 18 and ... (Read 52 times)

urmomsucks

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on: Mar 25, 2023

Exhibit 11-8
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 of 18Over Age of 18
n1 = 500n2 = 600
Number of accidents = 180Number of accidents = 150


We are interested in determining if the accident proportions differ between the two age groups.


Refer to Exhibit 11-8 and let pu represent the proportion under and po the proportion over the age of 18. The null hypothesis is


◦

pu - po≤ 0


◦

pu - po≥ 0


◦

pu - po≠ 0


◦

pu - po = 0

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by urmomsucks on Mar 25, 2023

aublw

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Reply #1 on: Mar 25, 2023
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urmomsucks

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Reply 2 on: Mar 25, 2023
YES! Correct, THANKS for helping me on my review

ryhom

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Reply 3 on: Yesterday
Wow, this really help

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