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4070. 35 trucks and 25 cars are passing by the gas stat 2019

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Description

4070. 35 trucks and 25 cars are passing by the gas station. The probability that the truck will refuel is equal to 0.7, and the car - 0.3. Find the probability that the car passing by the gas station will refuel.

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Additional information

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

$ 0.46