Projecteuler (286) - 拼圖

By Hedy
at 2010-04-10T19:36
at 2010-04-10T19:36
Table of Contents
ProjectEuler 286題
http://projecteuler.net/index.php?section=problems&id=286
Barbara 是個數學家及籃球選手。
她發現她在距離籃框 x 時投籃進籃的機率是 (1 - x/q),其中 q 是個大於50的常數。
練習時,她會在 x=1, x=2, ... x=50 的地方各投籃一次,
而根據紀錄,她有正好 2% 的機率進正好 20 球。
求出 q 值,四捨五入至小數第 10 位。
--
和上一題有點類似的感覺...但算的東西又完全不一樣
(上一題是幾何機率 這一題是組合機率)
--
"LPH" is for "Let Program Heal us"....
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