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There are 90 applicants for a job. Some of them are graduates. Some of them have less than three years experience. array |c|c|c| & array c Number of graduates array & array c Number of non- graduates array array c At least 3 years experience array & 18 & 9 array c Less than 3 years experience array & 36 & 27 array Let G be the event that the first applicant interviewed is a graduate and T be the event that first appl

Options

  1. A2 7
  2. B3 7
  3. C4 7
  4. D5 7

Correct answer

C. 4 7

Step-by-step solution

P ( G T )= 2 5 P( T )= 63 90 = 7 10 P ( G / T )= P ( G T ) P ( T ) = 2 5 7 10 = 4 7

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