Question

A recent survey found that the ages of workers in a factory is distributed as follows:
Age (in years)
Number of workers
20 - 29
38
30 - 39
27
40 - 49
86
50 - 59
46
60 and above
3
If a person is selected at random. find the probability that the person is
(1) 40 years or more
(ii) under 40 years
(iii) having age from 30 to 39 years
(iv) under 60 but over30 years,​

Answer 1

Answer:

Step-by-step explanation:

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