試卷名稱:111年 - 111 國立清華大學學士後西醫學系單獨招生考試_學士後醫學系/智慧資訊科技組:資訊科學#110534
年份:111年
科目:學士後西醫◆資訊科學
21. (5%) A smooth-surface table is ruled with equidistance parallel lines, a distance D
apart. A needle of length L, where L≤ D, is randomly dropped onto the table
with all rotational angles equally probable. What is the probability that the needle
will intersect one of the lines?
(A)
(B)
(C) 
(D)
(E)