Duplicate Question
The question on this page has been marked as a duplicate question.
Original Question
The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average di...Asked by Matt
The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to
estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of
2.56 mm with a standard deviation of 0.05 mm. You may assume that the diameters of the pipes are normally
distributed.
(A) Give a 95% confidence interval for the average diameter of pipes in this shipment.
estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of
2.56 mm with a standard deviation of 0.05 mm. You may assume that the diameters of the pipes are normally
distributed.
(A) Give a 95% confidence interval for the average diameter of pipes in this shipment.
Answers
Answered by
PsyDAG
95% = mean ± 1.695 SEm
SEm = SD/√n
SEm = SD/√n
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.