User Account

All Pages

Compute the margin of error

Assignment Help Basic Statistics
Reference no: EM13916694

Consider a population with a known standard deviation of 26.8. In order to compute an interval estimate for the population mean, a sample of 64 observations is drawn.

a. Is the condition that is normally distributed satisfied? Explain.

b. Compute the margin of error at a 95% confidence level.

c. Compute the margin of error at a 95% confidence level based on a larger sample of 225 observations.

d. Which of the two margins of error will lead to a wider confidence interval?

The margin of error with 6.3% confidence.

The margin of error with 99% confidence.

Reference no: EM13916694

Questions Cloud

Control environment : Define what is meant by a company's control environment. Comment on the impact that BFA's related party disclosure practices would have on an auditor's assess- ment of BFA's control environment. (The Baptist Foundation of Arizona (BFA) )
Measurement and evaluation of project performance : The first step in the project control process of the measurement and evaluation of project performance is to
Given that the dominant isotope mass for copper metal : Given that the dominant isotope mass for copper metal is 62.94 amu (g/mol) how many atoms of copper metal are in a pure copper coin that weighs 2.15g
Advantages and disadvantages of quasi-experiments : Describe the advantages and disadvantages of quasi-experiments? What is the fundamental weakness of a quasi-experimental design? Why is it a weakness? Does its weakness always matter?
Compute the margin of error : Consider a population with a known standard deviation of 26.8. In order to compute an interval estimate for the population mean, a sample of 64 observations is drawn. Is the condition that is normally distributed satisfied? Explain
What is a claim and when should it be straightforward : What is a claim? When should it be straightforward? Why should a direct claim be made by letter rather than by e-mail or a telephone call?
Overstated in the financial statements : Explain why gains recorded on transactions with related parties would have greater inherent risk of being overstated in the financial statements.
Capital budgeting models : Capital Budgeting models (like all forecasts) are driven primarily by educated assumptions about outcomes
Describe the chemical change : (a) Use a potential energy diagram to describe the chemical change and the energy change in an electrolytic cell containing materials of your choice.

Reviews

Write a Review

Basic Statistics Questions & Answers

  For each of the following parts indicate whether we would

for each of the following parts indicate whether we would generally expect the performance of a flexible statistical

  Cost of removing pollution

If the cost in millions of dollars, to remove x% of pollution in a lake modeled by C=6000/200-2x, how would I figure the cost to remove 75% of the pollution?

  Determining what average of test scores is needed in next

Calculate the average student score necessary for the district to retain its federal funding. You may assume that the Standard Deviation will not change. This will require some thought. Think of the z score. You will be solving for mu (average test s..

  The distance between major cracks in a highway follows an

the distance between major cracks in a highway follows an exponential distribution with a mean of 5 miles.a what is the

  If an exercise scientist wants to estimate the proportion

in an october 2012 survey of 7786 randomly selected adults living in germany 5840 said they exercised for at least 30

  Distribution-location of accidents-kolmogorov-smirnov test

Use the Kolmogorov-Smirnov test to discover whether the distribution of location of accidents is uniformly distributed for the month of September

  Reducing the margin of error by half

Find the 90%, 95% and 99% confidence intervals for the proportion of all voters who favor the issue. How many more voters should we include in the sample if we need to reduce the margin of error by half?

  Selling the same standardized product

In which of the following markets do all firms sell the same standardized product?

  Construct a bar chart a pie chart and a pareto chart for

question the owner of a restaurant serving continental-style entrees has the business objective of learning more about

  Find null-alternate hypothesis to reduce mean amount-claim

Does it seem prevention plans were effective in reducing mean amount of a claim? Use 0.05 level of significance. Set up Null and Alternate Hypothesis.

  Random variable having a lognormal distribution

The length of time for one individual to be served at a cafeteria is a random variable having a lognormal distribution with a mean of 10 minutes and standard deviation of 2 minutes.

  A campus club sells 500 raffle tickets at a price of 2

a campus club sells 500 raffle tickets at a price of 2 each. the raffle offers one 100 dollar prize two 50 prizes and

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