Submit Answer

If you know the answer of below question, then submit your answers. You will receive 10 points on each answer. You can submit pdf and images files also.

If you don't know how to publish answer then click here.

What do you understand by estimation? If we want to determine average mechanical aptitude of a large group of workers, how large a random sample is needed to be able to assert with probability 0.95 that the sample mean will not differ from the true mean by more than 2.0 points? Assume that population standard deviation is 30. 
Assets

Your assets must be related to csit study material.

Images

Can submit multiple images of maximum size of 2MB each.

PDF File

Can submit multiple pdf files of maximum size of 10MB each.

Email

You will receive an email with your answer link after confirmation.