Tuesday

March 31, 2015

March 31, 2015

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

**Answer this Question**

**Related Questions**

math - Suppose a code consist of two letters followed by a digit. Find the ...

math - Suppose a code consist of two letters followed by a digit. Find the ...

Math - 1.) A security code has seven characters. Each code begins with two ...

math - a book club assigns to each member a membership number that consists of 2...

math - suppose a license plate for a car has 4 letters followed by 1 number and ...

maths permutation and combination - Your password for a given website is made up...

math please hurry - A secret code must consist of three capital letters followed...

math - I hope i am on the right track. Please look at my answer so I am doing ...

Algebra - 42. Which number best represents this set of data: 5, 5, 5, 6, 5, 5, 5...

Math - The registration code for a new softwear game you purchased consists of a...