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.

A dealer of a DELL company located at New Road claimed that the average lifetime of a multimedia projector produced by Dell Company is greater than  60,000 hours with standard deviation of 6000 hours. In order to test his claim, sample of 100 DELL projectors are taken and the average life time was monitored and it was found to be 55,000 hours. Test the claim of the dealer at 5% level of significance.
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.