please transfer following,what is 1,048,576 mean?

來源: 於 2010-05-03 08:43:52 [舊帖] [給我悄悄話] 本文已被閱讀：次

I used to learn Russian,English is poor,please transfer following,what is 1,048,576 mean?

A. How many, out of the 4^10=1,048,576 possibilities, can be realized by a probability vector?
B. If we change the boundaries of the four bins, what is the maximum number of possibilities that can be realized?