Question

A recent survey found that the ages of workers in a factory is distributed as follows. ​

Answer 1

Answer:

total 100

so

a) 40 year or more it means 36+16+3 divided by total 100

=55/100

b) under 40 years = 27+18 /100 =

c) 30-39 = 27 / 100 =

d) 36 + 16 = 52 / 100 =

calculate and you will get you answer.

thank you

Step-by-step explanation: