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Two distinct numbers are selected simultaneously and at random from the set {1,2,3,4,5,6,7,8} . What is the probability that the smaller one divides the larger one? Express your answer as a common fraction.

 Jul 3, 2022
 #1
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There are \({8 \choose 2 } = 28\) combinations. 

 

Now, just count the number of pairs that work and find the probability smiley

 Jul 4, 2022
edited by BuilderBoi  Jul 4, 2022

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