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April 20, 2014

Homework Help: probability

Posted by JM on Friday, August 30, 2013 at 3:56pm.

hydraulic landing assemblies coming from an aircraft rework facility are each inspected for defects.
Historical records indicate that 8% have defects in shafts only, 6% have defects in bushing only, and 2% have defects in both shafts and bushing. one of the hydraulic assemblies is selected randomly. What is the probability that the assembly has
a) a bushing defects?
b) a shaft or bushing defect?
c) exactly one of the two types of defects?
d) neither type of defect?

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