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Easy

Question

An integer from the set of first 100 natural numbers is selected at random .The probability that the number satisfying the inequality n plus 1 subscript C subscript n minus 2 end subscript end subscript minus n plus 1 subscript C subscript n minus 1 end subscript end subscript less or equal than 100 is

  1. fraction numerator 3 over denominator 25 end fraction    
  2. fraction numerator 19 over denominator 25 end fraction    
  3. fraction numerator 2 over denominator 25 end fraction    
  4. fraction numerator 7 over denominator 25 end fraction    

The correct answer is: fraction numerator 2 over denominator 25 end fraction


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