On a standard number cube, there are only 6 numbers:
1 , 2, 3, 4, 5 and 6.
Since there are no 9's on the cube, it means that you will never be able to roll a 9. Therefore the probability of not getting a 9 is 100% or 1.
(This is because every time you roll, you will get a number that is not 9)
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Answer:
D) 1