The quality of random auto-examination set is based heavy on the accuracy of exam-question score probability and probability distribution of answer-question time.

Using scoring rate to make a quantified analysis on basketball game level and team member performance;

By applying mathematical statistics in the scoring rate analysis, this paper has made a study of the relationships and interactions of the component (competitions) of the (heptathlon) sport at the (different) (stages) of the (course) in which both Chinese and (foreign) (heptathlon) (athletes) have had their (performances) (improved) stage by stage.