Question

7. A recent survey found that the age of worker in a factory is distributed as follws:
60 & above
3
Agelin yrs)
20-29
30-39
40-49
50-59
No. Of
38
27
86
46
Workers
If a person is selected at random, find the probability that the person is
a. 40 yrs or more
b.at least 50 years
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Answer 1

Answer:

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