SOLUTION: Hamilton Middle School assigns a four-digit identification number to each student. The number is made from the digits 1, 2, 3, and 4, and no digit is repeated. If assigned random

Question 844095: Hamilton Middle School assigns a four-digit identification number to each student. The number is made from the digits 1, 2, 3, and 4, and no digit is repeated. If assigned randomly, what is the probability that an ID number will end with a 3?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

The number is made from the digits 1, 2, 3, and 4, and no digit is repeated. 

P(ending in 3) = 3!/4! = 1/4 

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