The probability that the middle digit is 0 is 1/10.
What is the combination?
A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter.
A company sells bicycle locks with a combination made of 3 numbers.
Each number can be any digit from 0 to 9 and the digits may be repeated.
One of these locks is chosen at random.
There can be 10 total digits in the tens place: 0,1,2,3,4,5,6,7,8,9.
The probability that the middle digit is 0 is given by;
[tex]\rm Probability=\dfrac{Probability \ of \ middle \ digit \ 0}{Total \ number \ of \ digits}\\\\\ Probability=\dfrac{1}{10}[/tex]
Hence, the probability that the middle digit is 0 is 1/10.
Learn more about probability here;
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