Determining the average lifespan

Assignment Help Basic Statistics
Reference no: EM131210940

Tires a and tires b have an average lifespan of 50,000 miles. Tires A was found to have a standard deviation of 12,000 miles and tires b was found to have a standard deviation of 8,000 miles. Which tires are more reliable?

Reference no: EM131210940

Questions Cloud

Do personal and business ethics ever overlap : Do you agree with the personal vs. business ethics distinction? Do personal and business ethics ever overlap? Should personal ethics play a role in business ethical decision making?
Ricardos theory of comparative advantage : What is the effect on the pattern of trade predicted by the Ricardian analysis if the number of labor hours required to make a unit of wheat in the United States is reduced by half?
How the records are changed : How would your answers to Exercise 10.7 change if attribute a is not a candidate key for R? How would they change if we assume that records in R are sorted on a?
Randomly chosen adult is obese : Find the probability that a randomly chosen adult is obese, given that he or she suffers from diabetes. Round your answer to 2 decimal places.
Determining the average lifespan : Tires a and tires b have an average lifespan of 50,000 miles. Tires A was found to have a standard deviation of 12,000 miles and tires b was found to have a standard deviation of 8,000 miles. Which tires are more reliable?
How would you measure the different forms of debt : What types of credit does the company use and how are they managed? How would you measure the different forms of debt? How does the company's level of debt and credit compare to other companies within the industry?
What is the opportunity cost of product z for given country : With no international trade, what is the opportunity cost of product Z for this country?- .In comparison with no trade, which product will the country shift toward producing more of?
Calculate estimated annualized cost of current process : Calculate the estimated annualized cost of the current process for collecting blood culture specimens in the ED - Discuss and identify options to improve quality while reducing total expense?
Probability that he will select yellow balls : An urn contains 9 yellow balls and 4 white balls. If Vince chooses 8 balls at random from the urn, what is the probability that he will select 6 yellow balls and 2 white balls? Round your answer todecimal places.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Stores s1 s2 and s3 of the same company have respectively

stores s1 s2 and s3 of the same company have respectively 50 70 and 100 employees of which 50 60 and 75 are women. a

  The time in minutes between telephone calls at an

the time in minutes between telephone calls at an insurance claims office has the expo- nential probability

  Questions on survey sampling

Suppose that a survey is being planned for purposes of estimating the average number of hours spent exercising daily by adults (18 years of age or older) living in a certain community.

  Enough evidence to support the claim

This test result prompts a state administrator to declare that the mean score for the sate's eighth graders on the examination is more than 275. at a=.04, is there enough evidence to support the claim.

  Drinking and driving-identify the variables

A social psychologist is studying college students attitudes toward drinking and driving. He is specifically interested in attitude change as a result of years in college and of viewing the consequences of drinking and driving accidents.

  Could that throw off the election for the other three

In a council election, 5 people are running, 3 seats available, and you want two for sure to win,but no caring who the third is. Should you only vote for the two candidates that you want and leave the third ballot blank or should you vote for the two..

  Find the probability that the student is enrolled in math

1. a quiz has 5 multiple-choice questions where each question has 4 possible answers but only 1 is the correct

  Give your answer to 3 decimal places as a number between 0

a large corporation knows that the proportion of their employees that have children is 0.67. the director of human

  Risk of parkinsons disease developing

The study found that men who had participated in some vigorous activity at least twice a week in high school, college, and up to age 40 had a 60% reduced risk of Parkinson's disease developing. The study found no such reduction for women. What typ..

  Identify null-alternative hypothesis-test statistic

Test the given claim. Identify the null hypothesis, alternative hypothesis, test statistic, P-Value or critical value(s), conclusion about the null hypothesis, and final conclusion that addresses the original claim.

  Estimation of proportion-normal distribution

In the last municipal election, a sample of 350 registered voters showed that 85 voted for the incumbants. Find out a 98% confidence interval estimate for the proportion of all voters voting for the incumbants.

  If light bulbs have lives that are normally distributed

q1 if light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500

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