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(i) Workers with age 40 yrs and above are= 86+46+3=135
Total workers= 200 workers
Probability= 135/200= 27/40
(ii) Workers with age less than 40 years= 200-135=65
Total workers= 200
Probability= 65/200= 13/40
(iii) Workers between 30- 39 years of age= 28
Total Workers= 200
Probability= 28/200= 7/50
(iv) Workers between 39 and 60 years of age= 132
Total workers= 200
Probability= 132/200= 33/50
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