User Account

All Pages

Consumer protection agency

Assignment Help Basic Statistics
Reference no: EM131077756

A manufacturer claims that the life span of its tires is 49,000 miles. You work for a consumer protection agency and you are testing these tires. Assume the life spans of the tires are normally distributed. You select 100 tires at random and test them. The mean life span is 48,806 miles. Assume σ = 900. Complete parts (a) through(c). (a) Assuming the manufacturer's claim is correct, what is the probability that the mean of the sample is 48,806 miles  or less? (Round to four decimal places as needed.)

Reference no: EM131077756

Questions Cloud

Determine each set infimum and supremum : Math 104: Homework 2. For each set, determine its minimum and maximum if they exist. In addition, determine each set's infimum and supremum, writing your answers in terms of infinity for unbounded sets. Detailed proofs are not required
Analyze the purpose of inventory management : Analyze the purpose of inventory management as it applies to operations management, and then evaluate the advantages and disadvantages evident in the use of the ABC classification system.
Difference between the population means : A random sample of 8 observations from another population revealed a sample mean of 26 and a sample standard deviation of 5. At the .05 significance level, is there a difference between the population means?
What quality of measure is this and why : The company then hires the 50 applicants who had the highest scores on the test. Among these 50 applicants, after they have been employed at the company for 6 months, those who scored higher on the job skills test are performing substantially bett..
Consumer protection agency : A manufacturer claims that the life span of its tires is 49,000 miles. You work for a consumer protection agency and you are testing these tires. Assume the life spans of the tires are normally distributed. You select 100 tires at random and test ..
What is the branch of philosophy that involves systematizing : What is the branch of philosophy that involves systematizing, defending, and recommending concepts of right and wrong conduct?
Difference between serial and parallel transmission : 9.1 Describe the difference between serial and parallel transmission. 9.4 What is the chief characteristic of asynchronous transmission?
Describe components of social-cognitive theory : Analyze one of your habits. How did you develop this habit? Were there role models for this habit? Which people influenced the adoption of this habit?
Series trend equation for hammer hardware : A time series trend equation for Hammer Hardware is Y' = 5.6 + 1.2t, where sales are in millions of dollars and t increases by one unit for each year. If the value of sales in the base year of 2016 is $5.6 million, what would be the estimated sale..

Reviews

Write a Review

Basic Statistics Questions & Answers

  A committee of 2 is chosen at random from a population of 7

a committee of 2 is chosen at random from a population of 7 men and 8 women. what is the probability that the committee

  Approximation to the binomial distribution

The probability that a male will be color blind is 0.042. Use the normal curve approximation to the binomial distribution to find the probabilities that in a group of 53 men, no more than 6 are color-blind.

  Determining z-score and proportion

Toby's trucking company determined that the distance traveled per truck per year is normally distrinuted, with a mean of 50.0 thousand miles and a standard deviation of 12.0 thousand miles.

  Prepare the hypotheses and identify the type of error

What type of error would result in that case?  Respond to at least two of your classmate's postings.

  Suppose referendum to increase funding for education is on

suppose referendum to increase funding for education is on the ballot in a large town population over 100000. an exit

  Construct a frequency histogram and interpret

(a) Make a frequency table displaying class intervals, frequencies, relative frequencies, and percentages. (b) Construct a frequency histogram and interpret.

  Information about percentile rank

In a normal distribution with mean 3 and variance 49, what are the upper and lower limit scores for the middle 50% of the data?

  Difference in the mean number and p-value

At the .01 significance level, is there a difference in the mean number of times men and Women order take-out dinners in a month? What is the  p -value?

  In a random sample of 5 parts on an assembly line the

in a random sample of 5 parts on an assembly line the probability that one of the parts is defect is 15 and follows a

  Randomly selected accountant student

Assume grades in college accounting class are normally distributed with a mean of 82 and a standard deviation of 7. what is the probability that a randomly selected student from this class will have a grade lower than 65?

  Whats the most appropriate procedure for evaluating the

data are gathered regarding the length of tenure top executives have at a major corporation and whether those

  1 if a population mean is 300 and the sample mean is 400

1. if a population mean is 300 and the sample mean is 400 the difference of 100 is calleda.standard errorb.sampling

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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