Consider the following data for the next three (03) items that follow :
There are 90 applicants for a job. Some of them are graduates. Some of them have less than three years experience.

Particulars                                Number of graduates         Number of non-graduates

At least 3 years experience                  18                                            9

Less than 3 y ars expenence                36                                          27

Let G be the event that the first applicant interviewed is a graduate and T be  the  event that  first  applicant  interviewed  has at least 3 years experience.