please help me

Question

Q.2 The following table shows a cross-tabulation of 300 employees of a small manufacturing company by age and department.

DEPARTMENT

Age        Production         Sales     Technical             Total

A             < 25             50                        50               50                      150

B             25-40          70                        24               2                           96

C             > 40             40                        10               4                           54

Total         160                        84             56                        300

 If an employee is selected at random from this population, calculate the probability that the employee is:

1. Aged under 25 years, given that he is from Production
2. from Technical, given that he is under 25 year
3. P (C/T)
4. P (S) and  P (A)