Confidence interval for the average number of miles

Reference no: EM131372564

A tire manufacturer wants to estimate the average number of miles that may be driven on a tire of a certain type before the tire wears out. A random sample of 32 tires is chosen; the tires are driven on until they wear out, and the number of miles driven on each tire is recorded. The data, in thousands of miles, are as follows:

32, 33, 28, 37, 29, 30, 25, 27, 39, 40, 26, 26, 27, 30, 25, 30, 31, 29, 24, 36, 25, 37, 37, 20, 22, 35, 23, 28, 30, 36, 40, 41

Give a 99% confidence interval for the average number of miles that may be driven on a tire of this kind.

Reference no: EM131372564

Questions Cloud

Confidence interval for average length of long distance call : Give a 95% confidence interval and a 90% confidence interval for the average length of a long-distance phone call during weekends.

Confidence interval for the average amount of a claim : The company obtains a random sample of 165 claims and finds x‾ = $16,530 and s = $5,542. Give a 95% confidence interval and a 99% confidence interval for the average amount of a claim.

Confidence interval for the average life of a battery : A random sample of 12 batteries yields x‾ = 34.2 hours and s = 5.9 hours. Give a 95% confidence interval for the average life of a battery.

What professions comprise your career field workplace : CS204 :In the workplace, many industry cultures may work in the same company or organization. Each of these groups may have different cultures based on the type of work that is done and experiences that they have. Each culture may have a different..

Confidence interval for the average number of miles : A tire manufacturer wants to estimate the average number of miles that may be driven on a tire of a certain type before the tire wears out.- Give a 99% confidence interval for the average number of miles that may be driven on a tire of this kind.

Establish a police department for our yet to be named city : CRM 499- Your assignment is to establish a police department for our yet to be named city. You will also be responsible to name the agency. As a newly created police department, you do not have a police union involved.

Advise anna as to her case for negligence against trevor : BUS503 PRINCIPLES OF COMMERCIAL LAW - Advise Anna as to her case for Negligence against Trevor. Do not discuss any defences apart from Contributory Negligence.

What are some benefits and drawbacks of delegating : What is a social reality and how is it constituted? How might one attempt to measure the effectiveness of promotion? Complete the title page, table of contents, executive summary and a marketing strategy for a used car business. Which of the five lea..

Explain the calculation-interpretation of cost of capital : HS440 : Explain the calculation and interpretation of the cost of capital. In your response, consider how this cost impacts a health care manager's decision on expansion of services, etc.

User Account

All Pages