Computing a confidence interval with a sample size

Assignment Help Basic Statistics
Reference no: EM132029438

When computing a confidence interval with a sample size of 100 and the confidence interval of the sample size decreases to 80? The confidence interval becomes narrower if the sample size decreases?

Reference no: EM132029438

Questions Cloud

Explain disadvantages of various forms of ownership : Advantages and disadvantages of various forms of ownership. Explanation of, calculation of, and evaluation of the DuPont Identity.
Means of two independent populations : Assume that you are testing the difference in the means of two independent populations at the 0.05 level of significance. The null hypothesis is:
How much will investment be worth after two years : How much will this investment be worth after 2 years? Compare this to the future value of $20000 at 8% rate.
What can society in general and people with disabilities : What are the various provisions of the three most significant pieces of legislation for people with disabilities: the ADA, ADAAA, and the IDEA?
Computing a confidence interval with a sample size : When computing a confidence interval with a sample size of 100 and the confidence interval of the sample size decreases to 80?
Company price when the company supemormal growth end : What will be the company’s price when the company’s supemormal growth end? What is the price of the share today?
Differences in systematic risk and nonsystematic risk : Using examples, explain the difference between systematic risk and nonsystematic risk. Explain why the distinction is important for both investors and issuers.
What is the no-arbitrage one year forward rate : If interest rates are 5% APR in the U.S.and 3% APR in the euro zone, what is the no-arbitrage 1-year forward rate?
Find the probability that the ball falls into a green : In the game of roulette, a metal ball is spun around a rotating wheel containing 18 red-numbered slots, 18 black-numbered slots

Reviews

Write a Review

Basic Statistics Questions & Answers

  Compute the average amount of bonus dollars

The results are = $259.60 and s = $52.00. Give a 95% confidence interval for the average amount of bonus dollars that will be spent by a cardholder.

  Discuss case of the small steer

In Exercise we suggested the model N(1152, 84) for weights in pounds of yearling Angus steers. What weight would you consider to be unusually low for such.

  Find average cost of sofa-advertised sofa is of given value

Let X be the cost of the sofa. What is the average cost of a sofa if the advertised sofa is $250 and the more expensive sofa is $ 375?

  Parametric and nonparametric statistics

Can the formal hypothesis testing approach be used for non parametric tests? How are parametric and nonparametric statistics different?

  Sample data comes from a population

To be from the same population? You may assume the that follows a normal distribution. values are: 2.13 1.31 1.91 1.92 1.77 1.64 2.29 1.99 2.33 2.49 2.22

  What is estimated index of satisfaction for person

What is the estimated index of satisfaction for a person who first married at 18, has an annual income of $26,500, has three children living, has assets of $156,000.

  Identify the correct measure of dispersion

For the variables, HOME, ARREST, TENURE and SIBS, identify the correct measure of dispersion and explain why it is appropriate. Locate the values for the measure on the tables and report them for each variable.

  Discuss significance level to test the agency claim

A local brewery distributes beer in bottles labeled 32 ounces. A government agency thinks that the brewery is cheating its customers.

  Probability of the malfunctioning of the machine

A popular soft drink is sold in 2-liter (2,000-milliliter) bottles. Because of variation in the filling process, bottles have a mean of 2,000 milliliters and a standard deviation of 20, normally distributed.

  Determine the probability that someone is under 30

Determine the probability that someone is under 30,- the probability that someone has a high income given that he or she is under 30,

  Give a scenario (preferably related to your area of expertis

Give a scenario (preferably related to your area of expertise or work experience) in which a judgmental forecasting method would be used.  Which particular judgmental forecasting method

  A sample of 100 bugs yields an average weigh tof 77 ounces

a sample of 100 bugs yields an average weigh tof 7.7 ounces. assume the population st.dev is 0.8 oz what is the margin

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