chp02chp06老师手写的习题答案

20110102 习题答案（chp02-chp06）.doc Created by SongNa 习题答案： 第 1 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 2 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 3 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 4 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 5 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 6 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 7 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 8 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 9 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 10 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 11 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 12 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 13 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 14 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 15 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 16 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 17 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 18 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 第 19 页 共 27 页 20110102 习题答案（chp02-chp06）.doc Created by SongNa 答案： 5.6 （1）我们将品尝次数看作码字的码长，由于只能一次品尝每一瓶酒，所以对于这个题目而言码长只能是1，2，3，4，4 这样的分布，所需的平均品尝次数就是平均码长，要想使得平均码长最小，则应该将较短的码长安排给概率较大的符号，因此所需的最小平均品尝次数为： 51111117123442.3466123iiil p==× +× +× +× +×==∑33 （2）这个问题可以转...