Value of the mean of the two x distributions

Assignment Help Basic Statistics
Reference no: EM131042560

Suppose an x distribution has mean μ = 5. Consider two corresponding x distributions, the first based on samples of size n = 49 and the second based on samples of size n = 81.

(a) What is the value of the mean of each of the two  x distributions?

For n = 49, μ x = 

For n= 81,μ x=

(b) For which x distribution is P(x>6.25) smaller? Explain your answer. The distribution with n = 49 because the standard deviation will be larger. The distribution with n = 81 because the standard deviation will be larger. The distribution with n = 81 because the standard deviation will be smaller. The distribution with n = 49 because the standard deviation will be smaller.

(c) For which  x distribution is P(3.75<x<6.25) greater? Explain your answer. The distribution with n = 81 because the standard deviation will be larger. The distribution with n = 49 because the standard deviation will be larger. The distribution with n = 81 because the standard deviation will be smaller. The distribution with n = 49 because the standard deviation will be smaller.

Reference no: EM131042560

Questions Cloud

Write a program to evaluate the arithmetic statement : By using an accumulator type computer with one address instructions3-By using a general register computer with two address instructions4- by using a stack-organized computer with zero-address operation instructions
Using the information from the nightingale project : Using the information from the Nightingale Project A (end of Chapter 9), you will create a MS Project schedule and answer the questions from the end of the case, however, you will note the following changes: When will the project be completed? What i..
Confidence interval for average car insurance premium : (a) Find a 99% confidence interval for the average car insurance premium and interpret your result. (b) What is the margin of error when using $780 to estimate the population average car insurance premium with 99% confidence? [Hint: (U-L)/2 ]
Determine the expected net operating income (noi) from sales : The probabilities are 20%, 50%, and 30% for revenues of $800,000, $1,000,000, and $1,100,000 per year, respectively, and operating expenses are constant at $200,000 per year.
Value of the mean of the two x distributions : Suppose an x distribution has mean μ = 5. Consider two corresponding x distributions, the first based on samples of size n = 49 and the second based on samples of size n = 81. (a) What is the value of the mean of each of the two  x distributions?
Describe methodologies including the independent variables : Describe methodologies, including the independent and dependent variables. How did their work add to the body of literature. Identify new ways they might have interpreted gaps in previous research.
Write a personal reflection on why you chose the category : Write a personal reflection on why you chose the category and topic that you did. Include three (3) reasons why the category and topic is meaningful to you.
Annual costs for either location at point of indifference : The Skulls, a student social organization, has two different locations under consideration for constructing a new chapter house. both fixed and variable costs would be different for each of the proposed sites, as follows: Location Annual Fixed Variab..
Short-term financing by the sports exports company : At the current time, the Sports Exports Company focuses on producing footballs and exporting them to a distributor in the United Kingdom. The exports are denominated in British pounds.

Reviews

Write a Review

 

Basic Statistics Questions & Answers

  In a second grade class containing 12 girls and 10 boys 2

in a second grade class containing 12 girls and 10 boys 2 students are selected at random to give out the math papers.

  Write objective coefficient ranges for three components

Write down the objective coefficient ranges for three components? Interpret these ranges for company management.

  Find the expected value and the standard error of x

A mean of 2000 pounds and a variance of 2500 pounds. Let X be the mean of any sample of 100 ropes selected at random. find the expected value and the standard error of X.

  Number assemblers and production

Draw a scatter diagram. Based on the scatter diagram, does there appear to be any relationship between the number assemblers and production? Explain.

  Staple of american culture

The American dream has always been a staple of American culture. When people speak of it, they often refer back to the first half of the 20th century. Despite this, the American Dream is just as relevant to American culture today as it was in the ..

  Determine z test for population proportions

Media Disk, Inc. duplicates over a million 3.5" floppy disks each year by copying masters to stacks of blank disks. The company buys its blank stock from two different suppliers, A and B.

  What is the probability a simple random sample of 50 ten

the acceptable level for insect filth in a certain food item is 4 insect fragments per 10 grams. a sample random of 50

  Manual calculations

Manual calculations.

  A couple is getting married on june 20th at an outdoor

a couple is getting married on june 20th at an outdoor ceremony. in recent years it has rained only 5 days in june.

  For each case devise and evaluate an exergetic efficiency

two options are provided for generating hot water at steady state.in a water heating is achieved by utilizing

  Compute expected revenue associated with auction format

Find the equilibrium bidding strategies for the first- and second-price auctions. Compute the expected revenue associated with each auction format.

  Determine the life-cycle cost of the planned structure

The maintenance cost is expected to be $0.1M for the first 5 years and will grow at an annual rate of 1% until the end of its 30-year service life. The cost of demolition is $1.5M and the demolished structure can be sold as scrap metal for $0.5M. ..

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