probability exercise

[Calado99]

It is intended to implement a new transport service
public in a particular region. A
survey, with 2000 people participating, of which 750
from location A, 900 from location B and the rest
from location C.

Checked that:
- Of the inhabitants of locality A, 25% said they will
use the services of the new means of transport;
- Of the inhabitants of locality B, 60% said that
will not use the services of the new medium of
transport;
-15% were inhabitants of locality C and claimed that
will use the services of the new medium of
transport;

How likely is it that a person will use the
services of the new means of transport?

 

[Deleted member 4993]

It is intended to implement a new transport service
public in a particular region. A
survey, with 2000 people participating, of which 750
from location A, 900 from location B and the rest
from location C.

Checked that:
- Of the inhabitants of locality A, 25% said they will
use the services of the new means of transport;
- Of the inhabitants of locality B, 60% said that
will not use the services of the new medium of
transport;
-15% were inhabitants of locality C and claimed that
will use the services of the new medium of
transport;

How likely is it that a person will use the
services of the new means of transport?

You have posted 5+ sets of problems without showing any work. How do you expect to pass this course?

Please show us what you have tried and exactly where you are stuck.

Please follow the rules of posting in this forum, as enunciated at:

READ BEFORE POSTING​

Please share your work/thoughts about this problem