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

  A basketball player with a poor foul-shot record practices

a basketball player with a poor foul-shot record practices intensively during the off season. he tells the coach that

  The thickness of a laminated covering for a wood surface is

the thickness of a laminated covering for a wood surface is normally distributed with a mean of 5 millimeters and a

  Assessment of the integrity of concrete structures

One of the non-destructive tests (NDTs) for assessment of the integrity of concrete structures is ultrasonic pulse velocity testing. The test can signal that a concrete section is either intact or that a problem exists.

  A poll of 1200 randomly selected students was conducted

a poll of 1200 randomly selected students was conducted and found 58 favor decriminalizing all drug use that is

  What methods can be adopted to test for reliability

What methods can be adopted to test for reliability in both qualitative and quantitative research

  Find probability using normal approximation to binomial

Assuming that the manager's claim is correct, calculate the probability that 117 or fewer of 205 randomly selected marketing researchers would disapprove of the scenario.

  Suppose x the number of flaws in a roll of polyethylene

suppose x the number of flaws in a roll of polyethylene insulated cable follows a poisson process where ? is 1.1 flaws

  Determine average number of people waiting in line

Customers arrive at an automated coffee vending machine at a rate of 4 per minute, following a Poisson distribution. What is the average number of people waiting in line?

  Find at how many of the eruptions lasted in a range

For a sample with n=36, the mean duration of a geyser is 3.55 minutes and the standard deviation is 0.63 mintues. Using chebychev's theory, determine at how many of the eruptions lasted between 2.29 and 4.81 mintues.

  What is the probability that the driver is incorrectly

a breathalyser test is used by police in an area to determine whether a driver has an excess of alcohol in their blood.

  Find the sample size needed to estimate the percentage of

find the sample size needed to estimate the percentage of adults who have consulted fortune tellers. use a 0.03 margin

  In their october 2003 issue consumer reports evaluated the

in their october 2003 issue consumer reports evaluated the price and performance of 23 models of cordless phones.

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