General Co. has designed a new tire, and they don’t know what the average amount of tread life is going to be. The tread life is normally distributed with a standard deviation of 295.5 kilometers.
i) If the company samples 800 tires and records their tread life, what is the probability the sample mean is between the true mean and 350 kilometers over the true mean?
ii) How large a sample must be taken to be 95 percent sure the sample mean will be within 150 kilometers of the true mean?
The answer to the question is available in the PDF file https://www.assignmentexpert.com/https://www.assignmentexpert.com/homework-answers/mathematics-answer-45577.pdf
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
Finding a professional expert in "partial differential equations" in the advanced level is difficult.
You can find this expert in "Assignmentexpert.com" with confidence.
Exceptional experts! I appreciate your help. God bless you!
Comments
Leave a comment