NDA2022MathematicsProbabilityActual
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
- A1 4
- B1 3
- C3 5
- D3 4
Correct answer
D. 3 4
Step-by-step solution
aligned & n ( T G )=27 & n ( G )=9+27=36 & P ( T / G )= P ( T G ) P ( G ) aligned 27 90 36 90 = 27 36 = 3 4