※ 引述《Shivian (游泳圈*游不回来*)》之铭言：
: 大家好!
: 这是book板在进行的活动, 我觉得非常生动有趣, 但总不好把每篇转录...
: 所以有空可以去book板看看喔!
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A commitee of size 5 is to be selected at random from 3
chemists and 5 physicists. Find the probility distribution for the
number of chemist on the commitee.
Probability and Statistics for Engineers and Scientists.
6th ed. Walpole, Myers, and Mayers.