Question
A company determines that the life span of one of its car engines is normally distributed with a mean of 150 000 km and a
A company determines that the life span of one of its car engines is normally distributed with a mean of 150 000 km and a standard deviation of 10 000 km. For how many kilometres should the company warranty the car engine so that the company will only have to replace fewer than 2.5% of the engines.
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Principles of Auditing and Other Assurance Services
Authors: Ray Whittington, Kurt Pany
19th edition
978-0077804770, 78025613, 77804775, 978-0078025617
