Question

040 A recent survey found that the ages of workers in a factory are distributed as follows
Age(in years)
20-29 30-39
30-39 40-49 50-59
60 and
above
3
No. of workers 38
27
86
46
If a person is selected at random find the probability that the person is :
(i) 40 years or more (ii) under 40 years
(iii) having age from 30 to 39 years
(iv) under 60 but over 39 years.​

Answer 1

Answer:

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