SOLUTION: List all possible outcomes to create a two digit number using only 5,7, and 8 as choice of numbers, repetition allowed. Find the probability of identical outcomes.

Question 935108: List all possible outcomes to create a two digit number using only 5,7, and 8 as choice of numbers, repetition allowed. Find the probability of identical outcomes.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You could have....

   55, 57, 58
   75, 77, 78
   85, 87, 88

So you have 9 different numbers you can create.

I'm not sure what you mean by "Find the probability of identical outcomes." but I'll assume you mean the probability of getting a two digit number with repeated digits (ex: 55).

There are 3 numbers like that: 55, 77, 88

Out of 9 numbers total.

So the probability is
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