Calculate a confidence interval for given situation

Reference no: EM131417371

Refer to given Exercise. Calculate an 80% confidence interval that estimates the proportion of U.S. families with children that always has the television on when they eat dinner as a family.

Exercise
In a Gallup poll done in 2007, a randomly selected sample of n = 254 U.S. parents was asked how often the television was on when they ate dinner as a family. About 33% of the sample said "always" (Source: www.pollingreport.com/ life.htm).

a. Calculate the standard error of the sample proportion.

b. Calculate a 95% confidence interval that estimates the proportion of U.S. families with children who always have the television on when they eat dinner as a family.

c. Calculate a 90% confidence interval for this situation.

d. Write a sentence that interprets the confidence interval found in part (c).

Reference no: EM131417371

Questions Cloud

Calculate the standard error of the sample proportion : Calculate a 95% confidence interval that estimates the population proportion who think that penalties for underage drinking should be more strict.

Explain etiology of sexual addiction to internet pornography : Access to and the availability of the Internet to conduct local and transnational business transactions. Define and describe in detail the etiology of sexual addiction to Internet pornography.

How would you have felt : What might have caused Lisa to feel/react the way she did? if you were Lisa, what would you want to happen next? What would you want the class to do and Pretend you were one of her classmates. How would you have felt?

Indigenous reverse innovation from base of pyramid : Case Discussion Questions about Indigenous Reverse Innovation from the Base of the Pyramid (Integrative Case 1.1) 1. From a resource-based view, what are some of the outstanding capabilities that EV producers in China have? Why their larger competi..

Calculate a confidence interval for given situation : Calculate a 95% confidence interval that estimates the proportion of U.S. families with children who always have the television on when they eat dinner as a family.

Identify the key people who manage risk : Write the next section of your risk management plan for Northern Trust. Identify the key people who manage risk. Discuss the executive committee and their qualifications.

Productivity or efficiency of employees : In your words. What is the correlation between the productivity or efficiency of employees, and being rewarded by their managers? Please provide 2 paragraphs and at least 1 citation.

Distinguish how opportunities in mining and trade out west : Identify events surrounding the Native American assimilation efforts, specifically the Dawes Act.Distinguish how opportunities in mining and trade out west impacted values during the Gilded Age or were impacted by values of the Gilded Age.

Write the paper on blacklives matter : You need to write the paper and the topics are #blacklives Matter - epidenic Violence and AFRICAN PRESENCE IN THE NEW WORLD

User Account

All Pages