Best estimate of the average tread life

Assignment Help Basic Statistics
Reference no: EM1319214

Mileage tests were conducted on a randomly selected sample of 100 newly developed automobile tires. The average tread life was found to be 50,000 miles with a standard deviation of 3,500 miles. What is the best estimate of the average tread life in miles for the entire population of these tires?

Reference no: EM1319214

Questions Cloud

Small-demonic country time deposits : Large-demonic country time deposits $ 304 billion Currency also coin held by nonbanking public 438 billion Checkable deposits 509 billion Small-demonic country time deposits
Argument for pmo model : Make an argument for the PMO model they should be adopting. What are some of the key decision criteria that will help them determine which PMO model makes most sense?
Recording the count of spots on the up face : Roll a die and record the count of spots on the up face: P(1) = 0, P(2) = 1/6, P(3) = 1/3, P(4) = 1/3, P(5) = 1/6, P(6) = 0.
Joys frozen yogurt shops have enjoyed rapid growth : Joy's frozen yogurt shops have enjoyed rapid growth in northeastern states in recent years. From the analysis of joy's various outlets, it was found to the Demand curve.
Best estimate of the average tread life : What is the best estimate of the average tread life in miles for the entire population of these tires?
History of taking conservative views : You are the senior Human Resources representative in a large organization with locations throughout the United States. The company has a long history of taking conservative views or positions on social issues.
What total sample size would the economist : what size sample should the director choose if she wishes to estimate the mean number of admissions per 24-hour period to within 1 admission with 99 percent reliability.
Demand equation that represents demand for goods : Consider the following Demand equation that represents Demand for goods to your company produces q=100-2p. Total cost of production is cq. Given to your company's objective is to maximize profit
Find the ordered pairs : Find the ordered pairs

Reviews

Write a Review

Basic Statistics Questions & Answers

  Explain the trend in the export of fish

Draw two pie charts, which allow the total yearly exports to be compared. Explain the trend in the export of fish as shown in the two pie charts.

  Probability of choosing four randomly

Choose a group of 4 adults at random. What is the probability that none of them enjoy drinking beer?

  A normal population has a mean of 80.0

Calculate the probability of a value between 75.0 and 90.Calculate the probability of a value of 75.0 and less.

  Probability on the discrete distribution

Based on this information, by what factor does the risk of having an accident increase due to driving while intoxicated?

  Committing a type one error

Find the probability of committing a type I error.

  Testing instructor-s claim at level of significance

Exam is given to 20 randomly chosen students and their average length of t time needed to finish exam was 54 minutes with standard deviation of 5.99 minutes. Test instructor's claim at the 0.05 level of significance.

  Determining midrange and standard variance

Determine the Midrange. Determine the Standard Variance. Determine the Standard Deviation

  Finding sample correlation coefficients age with dry weight

Find out sample correlation coefficients of (I) age with dry weight, and (2) age with log 10 dry weight. Interpret your results.

  Significance level of guideline

At the .05 significance level, can we conclude that the guideline is still reasonable?

  Find out the optimum solution using the given data

Find out the Optimum solution using the given data. Consider the following linear programming problem. Illustrate what is the optimum solution to this problem?

  What is the p-value of the test

What is the P-value of the test, assume the standard deviation is 3 years, a 95% confidence interval for the average time

  Example on chi-square approximation

Some researchers have conjectured that stem-pitting disease in peach tree seedlings might be controlled with weed and soil treatment. An experiment was conducted to compare peach tree seedling growth with soil and weeds treated with one of two her..

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd