SOLUTION: Eight balls numbered from 1-8 are placed in a urn. If one ball is selected at random, find the probability that it is not number 4?
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Question 194327: Eight balls numbered from 1-8 are placed in a urn. If one ball is selected at random, find the probability that it is not number 4?
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
numbers that aren't 4: 1, 2, 3, 5, 6, 7, 8 <---- 7 numbers
 = \frac{7}{8})
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