SOLUTION: A child has one card numbered 1 through 9. The child places three cares in a row to form a three digit number. Find the probalitity that the number is larger than 500. [hone

Algebra ->  Probability-and-statistics -> SOLUTION: A child has one card numbered 1 through 9. The child places three cares in a row to form a three digit number. Find the probalitity that the number is larger than 500. [hone      Log On


   

Question 609996: A child has one card numbered 1 through 9. The child places three cares in a row to form a three digit number. Find the probalitity that the number is larger than 500.
[honestly, I'm not sure where to even start with this one! Any help is appreciated!]
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
try a thought experiment

5/9 of the cards have a number greater than or equal to 5

so 5/9 of the three digit possible numbers will start with a 5 or greater