Confidence interval for the population proportion

Assignment Help Basic Statistics
Reference no: EM131180708

In a survey of 3963 adults, 706 say they have seen a ghost.Construct a 99% confidence interval for the population proportion. Interpret the results.

1) A 99% confidence interval for the population proportion is ( , )

2) Interpret your results. Choose the correct answer below

A) With 99% confidence, it can be said that the population proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval.

B) With 99% confidence, it can be said that the sample proportion of adults who say they have seen a ghost is between the endpoints of the given confidence interval.

C) The endpoints of the given confidence interval show that 99% of adults have seen a ghost.

D) With 99% probability, the population proportion of adults who say they have not seen a ghost is between the endpoints of the given confidence interval.

Reference no: EM131180708

Questions Cloud

Find the test statistic : A) Find the test statistic. B) Find the P-VALUE for the found test statistic.
Develop political economic risk profile for a given country : Select a small company and explain what it would have to do to manage these risks if it were to enter the market of the country profiled.
Households nationwide used natural gas : According to a research,54.0% of households nationwide used natural gas for heating during a year. Recently, a survey of 4800 randomly selected households showed that 55.0% used natural gas. Use a 0.05 significance level to test the claim that the..
Do think scientific or non-scientific thinking would provide : Provide an overview of how, using the steps of the scientific method, the research question could be studied. In this discussion, reflect on what your hypothesis would be and if you would want to use a qualitative or quantitative research design.
Confidence interval for the population proportion : In a survey of 3963 adults, 706 say they have seen a ghost.Construct a 99% confidence interval for the population proportion. Interpret the results. 1) A 99% confidence interval for the population proportion is ( , )
Find the regression equation : Predict final exam from midterm In an introductory statistics course, x = midterm exam score and y = final exam score. Both have mean = 80 and standard deviation = 10. The correlation between the exam scores is 0.70.
The best ways for the gumbels to promote their business : What might be the best ways for the Gumbels to promote their business? -  How can the Gumbels prospect for new customers?
Blood bank serving this population : 1. The Rh Factor: In a certain population, 15% of the people have Rh-negative blood. A blood bank serving this population receives 92 blood donors on a particular day.
Which subcontractor is responsible for drilling and sealing : What must be provided for a condensate line from the fan coil inside a walk-in freezer to keep the water from freezing? Which subcontractor is responsible for drilling and sealing the penetration through the cooler panel for the condensate line to..

Reviews

Write a Review

Basic Statistics Questions & Answers

  Find probability that in winter month fewer cars are rented

Find the probability that in a given winter month fewer than 35 cars will be rented. (use the normal distribution to approximate the binomal distribution).

  Calculate the average yield per acre

Calculate the Average yield per acre, calculate the Standard deviation and explain the difference between a one sample and a two sample hypothesis test; provide an example of each.

  A teletronix company purchases large shipments of

acceptance samplinga teletronix company purchases large shipments of fluorscent bulbs. they randomly select and test 24

  Normal distribution-probability calculations

The level of glucose, x, in blood follows a normal distribution with mean = 13.8, and std dev = 2.6. What is the probability that in a healthy adult:

  Let p denote the true proportion of ticket holders who buy

a proportion of a college basketball teams season ticket holders renew their tickets for the next season. let p denote

  The following data are results from a study you recently

question 1 the following data are results from a study you recently completed. calculate the correlation coefficient

  A poll found that 41 of male voters and 44female voters

a poll found that 41 of male voters and 44female voters support a particular candidate.too test whether this candidate

  Find the linear correlation coefficient

Find the linear correlation coefficient for the systolic and diastolic measurements - determine the linear regression equation that uses the systolic pressure to predict the diastolic pressure.

  Sample to estimate true proportion with confidence inteval

A report states that 40% of home owners had a vegetable garden. How large a sample is needed to estimate the true proportion of home owners who have vegetable gardens to within 4% with 95% confidence?

  Replace a current production process

A company has to replace a current production process. The current process is rapidly becoming unreliable whereas demand for the product is growing. The company must choose between alternatives to replace the process. It can buy:

  Specimens of blood from 10 different animals were analyzed

specimens of blood from 10 different animals were analyzed for blood count say y in units of 100 and packed cell volume

  The monetary policy committee uses a variety of method

All kinds of organizations are interested in the response to their products, services or indeed policies. They will typically select a survey method that provides results of sufficient quality at an acceptable cost.

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