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4084. There are 80 trucks and 20 cars in the carpool. T 2019

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Description

4084. There are 80 trucks and 20 cars in the carpool. The probability that the truck is faulty is 0.08, and the car is 0.05. Find the probability that the number of vehicles called up at random by the number will be good.

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Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)

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