SOLUTION: Help! A child has nine cards numbered 1 through 9. The child places three cards in a row to form a three-digit number. Find the probability that the number is larger than 700. (to

Algebra ->  Probability-and-statistics -> SOLUTION: Help! A child has nine cards numbered 1 through 9. The child places three cards in a row to form a three-digit number. Find the probability that the number is larger than 700. (to      Log On


   

Question 472393: Help!
A child has nine cards numbered 1 through 9. The child places three cards in a row to form a three-digit number. Find the probability that the number is larger than 700. (to three decimal places.)
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

total possible numbers = 9*8*7 = 504
total number greater than 700 = 3*8*7 = 168

required probability = 168/504 = 0.333 (approx)