SOLUTION: What is the mean of all 5-digit numbers made up of one of each of the digits 1 through 5?

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Question 427635: What is the mean of all 5-digit numbers made up of one of each of the digits 1 through 5?
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi

mean of all 5-digit numbers made up of one of each of the digits 1 through 5?

 mean = (1 + 2 + 3 + 4 + 5)/5 = 3