【单选题】

the pareto principle is a technique used to determine which quality control problems in a particular process should be corrected. which of

the following statements best represents the philosophy employed by this principle?
a. in order to minimize financial losses from quality control problems, all problems which have a measureable cost should be corrected
b. the majority of defects are caused by a small percentage of the identifiable problems. improvement efforts should be reserved for these vital
problems.
c. in order to achieve zero defects, all quality control problems, including those which do not have a direct financial cost should be corrected.
d. generally, 80% of the quality control problems are justifiable for correction via cost-benefit analysis. the remaining 20% are not financially
worthy of improvement efforts.
e. a and d