Posted by Shawn on Sunday, November 29, 2009 at 9:56pm.
The number of ways the 10 distinct digits can form distinct numbers is given by
10!.
So the probability is 10! divided by the number of possible outcomes.
The first digit on the right can be any number from 0 to 9 so ten choices
1/10 so far
the second digit (tens place) can be one of 9
1/10 * 1/9
the third can be one of 8 remaining
1/10 * 1/9 * 1/8
etc
get the picture?
So after i do all that should i get one whole number
No, you will not get a whole number
a probability is a number between 0 and 1
1/10! which is about .00000027
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