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October 23, 2014

October 23, 2014

Posted by **sha** on Tuesday, July 27, 2010 at 10:17pm.

a) how many codes are possible if the letters and numbers can be repeated?

b) how many codes are possible if each letter and digit can be only used once?

c) how many codes are possible if each code begins with an A and if the digits cannot be repeated?

- probability -
**SraJMcGin**, Wednesday, July 28, 2010 at 3:20amTry some of the following probability tutorials:

http://search.yahoo.com/search?fr=mcafee&p=probability+tutorials

Sra

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