Solving problem N4012 Bayesian probability theory

Solving problem N4012 Bayesian probability theory

4012. 60% of cars passing by gas stations are trucks. Of these, 20% usually call in for refueling. Of the passenger to refuel 35% call in. Find the likelihood that drove to refuel the car - passenger.

Additional information:

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