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4036. The number of trucks driving along the highway on 2019

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Description

4036. The number of trucks driving along the highway on which the gas station stands is one of the cars passing along the same highway as 2: 1. It is known that, on average, one of 30 trucks and one of 25 passenger cars drive up to a gas station for refueling. Find the probabilities of the following events: a) a truck will drive along the highway and it will refuel; b) a car will drive along the highway and it will refuel; c) a car driving along a highway will refuel.

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Additional information

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

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