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Probing the prob. (Posted on 2014-01-21) Difficulty: 2 of 5
Chose at random two distinct decimal digits.
Denote them as A & B.

1. What is the probability that:AB is less than A+B?
2. Same question, but with the word "distinct" erased.

  Submitted by Ady TZIDON    
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Solution: (Hide)
p1= 17/45= .37777778
p2= 35/100= .35

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some Thoughtsre(3): 2nd question first (spoiler) rethink.Ady TZIDON2014-01-21 14:06:13
re(2): 2nd question first (spoiler) rethink.Charlie2014-01-21 12:53:11
SolutionsolutionCharlie2014-01-21 12:51:18
re: 2nd question first (spoiler) rethink.Ady TZIDON2014-01-21 10:38:47
Solution2nd question first (spoiler)Steve Herman2014-01-21 10:25:18
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