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4032. The number of trucks traveling along the highway 2019

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Description

4032. The number of trucks traveling along the highway on which the gas station stands is one of 2: 8 cars. The probability that a truck will refuel at this gas station is 0.1 and a passenger car is 0.2. Find the probability that a truck will drive up to a gas station for refueling.

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Additional information

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

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