The following table shows the 300 employees of a small manufacturing company cross-classified on the basis of age and job category.

Job Category
Age	Production	Sales	Office	Total
25	50	2	50	102
25 - 40	70	24	50	144
> 40	40	4	10	54
Total	160	30	110	300

An employee is selected at random from this population.Calculate the probability that he/she is

1. Over 40 years of age.

1. A production worker and office worker.

1. A sales worker.

1. Less than 25 given that he/she is a sales worker.

1. A production worker or over 40 (or both).

Note: Show both fractions and decimals (round off to two decimal places) for your answers!!!

Show all working please.