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Old 01-27-2019, 03:33 AM
phuwanut1412 phuwanut1412 is offline
Join Date: May 2018
College: Alumni
Posts: 28
Default SOA#70

For v, could you please help clearify why I cannot just use the bernuli shortcut approach?
(As the picture below)

Thankyou very much
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Old 01-27-2019, 01:25 PM
Academic Actuary Academic Actuary is offline
Join Date: Sep 2009
Posts: 9,196

A random driver could be in any one of 4 classes, so there are 4 conditional means, not two.
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