>> any multiple of 11 has a probability of 1/100.
>> if the numbers are not the same the one where the 10 has a higher value
>> than the 1 has a probability of 2/100. the rest has probability 0
>
>  But getting values eg. in the range 10-20 is a lot less probable than
> getting values in the range 80-90. This would suggest that the probability
> distribution is not very even.

Well yes, because as andrel said, numbers where the unit is higher than the 
ten have a probability of 0.

So in 10-19 the only numbers you can get are 10 (P=2/100) and 11 (P=1/100) - 
overall P=3/100

whereas in 80-89 you can get 80-88, total P=9/100.

So you're 3 times more likely to get a number in the range 80-89 as you are 
10-19.

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