Find the test statistic and critical value

Assignment Help Basic Statistics
Reference no: EM131543261

Insurance companies are interested in knowing the mean weight of machine; they believe it is 3000 pounds. To see if that assumption is correct, they checked a random sample of 101 machines. For that group the mean weight was 2867 pounds, with standard deviation of 541.8 pounds. Perform a test at α=0.01 to determine if the true mean weight of all machines is different than 3000 pounds.

Question: State hypotheses, find the test statistic and critical value, and state conclusion. (3 decimal round)

Reference no: EM131543261

Questions Cloud

Discuss about the major depressive disorder : Describe each chosen diagnosis by listing the symptoms and criteria required for that diagnosis and possible causes of that diagnosis.
What is the estimated standard error for a sample : 1. What is the estimated standard error for a sample of n = 25 scores with SD = 60?
Explain why your organization should use these techniques : Mini-Case A Questionnaires and surveys are well established techniques for assessing project risk -  Choose the Mini-Case below and answer the elements
What is social facilitation : What is social facilitation? How has the definition of social facilitation evolved? Why do you think it has changed
Find the test statistic and critical value : State hypotheses, find the test statistic and critical value, and state conclusion. (3 decimal round)
Confidence interval for the true mean sodium : Find 99% confidence interval for the true mean sodium content of this brand of hot dog.
What standards are used by courts : What are the differences between standards for sentencing, commitment, and competencies in civil and criminal courts
What have you heard about language lateralization : What have you heard about language lateralization (i.e. left versus right brain) beyond what you have learned in this class
Computer company forecasts data set : Write a 1,050-word report based on the Bell Computer Company Forecasts data set and Case Study Scenarios.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

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