[Insert material as printed out here.]
Explain H= - sum Log(x-i)
Explain terms, etc.
1. Given 8 different characters (e.g. a-h), compute how many bits of information there are.
2. Find the distribution of letters in the english language (from the net, from a book, by counting them even in this document). How much information is there in a single letter typically?
3. Assume that there are 9 postal zones in Nottingham England, NG1 to NG9. The mail to these zones is distributed as follows:
(a) How much information is there in a typical postal code in Nottingham?
(b) How might you redesign the codes to make them better in some sense?