Question

21 A recent survey found that the ages of workers in a factory is distributed as follows:
Age (in years)
20 - 29 30 - 39 40. 49 50.59 60 and above
Number of workers
38
27
86
46
If a person is selected at random, find the probability that the person is:
(1) 40 years or more
under 40 years
having age from 30 to 39 years
(iv) under 60 but over 30 years​

Answer 1

Answer:

hope this will help you and guys plz follow me i am new here and also marked me as brilliant and also give thanks to all my answers on my profile