4.13 Hydraulic assemblies for landing gear coming from an aircraft rework facility are inspected for defects. History shows that 8% have defects in the shafts alone, 6% have defects in the bushings alone, and 2% have defects in both the shafts and the bushings. If a randomly chosen assembly is to be used on an aircraft, find the probability that it has each of these defects a A bushing defect b A shaft or bushing defect c Only one of the two type of defects d No defects in shafts or bushings