4069. The number of trucks traveling along the highway on which the gas station stands refers to the number of cars passing along the same highway as 5: 3. The probability that a passing truck will refuel is 0.05. For a passenger car, this probability is 0.06. Find the probabilities of the following events: a) a passing car will refuel; b) the car that arrived at the gas station is passenger.

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