Probability Data Base - Part 2 
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 Probability Data Base - Part 2

God I love math - (never was good at statistics though)

I think the answer is 210 * 26^10 or  29,645,090,087,208,960

For the 6 Lower case characters there are 26*26*26*26*26*26 possibilities,
For each of those there 26*26*26*26 possibilities, for the upper case
Characters giving us 26^10 possible combinations of Lower and Upper case
groups.  For each of those groups there are 210 ways to shuffle them
together

     i.e.: for 3 lower and 2 upper --> abcAB abAcB abABc aAbcB etc... {10
combinations for groups of 3&2}

The 210 comes from the tenth line of :
        1
      1  1
    1   2  1
   1  3  3  1
 1  4  6  4  1 etc... were each number is the sum of the two above it.

the tenth line is:  1  10  45  120  210  252  210  120  45  10   1
and represents shuffling groups of 10&0 , 9&1 , 8&2 , 7&3, 6&4, 5&5 , 4&6
etc...



Quote:
> Hi !

> I wish a hint/help from Clipper friends on subject.

> Case :
> Want to know how can we create a database for  words consist of,  say
> ten characters - 6 lower case and 4 upper case. I want to know how
> much entries would there be.

> Would  appreciate a quick/speedy routine.

> Thanks a lot



Sun, 18 Jun 2000 03:00:00 GMT  
 
 [ 1 post ] 

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