SOLUTION: Eight balls numbered from 1 to 8 are placed in an urn. One ball is selected ar random. find the probabitily that it is not number 2

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Question 880995: Eight balls numbered from 1 to 8 are placed in an urn. One ball is selected ar random. find the probabitily that it is not number 2
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
There is only one ball that's labeled '2'. There are 8-1 = 7 balls that are NOT labeled '2'.

So the probability of not picking '2' is 7/8