19. Five mark exercise problem VII

In a town of \(8000\) people, \(1300\) are over \(50\) years and \(3000\) are females. It is known that \(30\%\) of the are over \(50\) years. What is the probability that a chosen individual from the town is either a female or over \(50\) years.

 

Answer:

 

The required probability is $\frac{i}{i}$.