About 27% of US citizens say football is their favorite sport to watch on TV. A...

About 27% of US citizens say football is their favorite sport to watch on TV. A random sample of 100 US citizens is obtained. Is the sampling distribution of the sample proportion normally distributed? Why?

Solutions

Expert Solution

Solution

Given that,

p = 0.27

1 - p = 1 - 0.27 = 0.73

n = 100

The sampling distribution of is approximately normal because,

np 10 and n(1 - p) 10

100 * 0.27 = 27 10 and 100 * 0.73 = 73 10

= p = 0.27

$\sqrt$ [p ( 1 - p ) / n] = $\sqrt$ [(0.27 * 0.73) / 100 ] = 0.0444

orchestra answered 1 year ago

Next > < Previous

Related Solutions

In a survey of 900 American adults, 351 said that their favorite sport was football. Construct...

In a survey of 900 American adults, 351 said that their favorite sport was football. Construct a 95% confidence interval for the population of American adults who say that their favorite sport is football. (round confidence interval values to two decimal places)

Based on Movie package example, you will create a package about your favorite TV series and...

Based on Movie package example, you will create a package about your favorite TV series and provide the plot() Readme.txt: Explain how you apply polymorphism in your program package Movie; public class MovieTester { public static void main(String[] args) { for(int i = 1; i < 11; i++){ Movie movie = randomMovie(); System.out.println("Movie # " + i + ": " + movie.getTitle() + ", Genre: " + movie.getGenre() + '\n' +"Plot: " + movie.plot()); } } public static Movie randomMovie(){...

What does the Christian worldwide say about life? About science? What is your favorite bible bassage...

What does the Christian worldwide say about life? About science? What is your favorite bible bassage and why? How do Roman 12:2-8 relate to anatomy and physiology? What the connection between leprosy and sin? How does it spread? Has anything change in your heart for God?

You are an investor in the US, thinking about investing 500.000 USD. Numbers say that the...

You are an investor in the US, thinking about investing 500.000 USD. Numbers say that the nominal interest rate for one year on USD assets is 2%, while in Norway the interest rate is 2,8%. Forecasts estimate that in Norway the inflation is going to be 2,1% during the next year, while in the US 1,1% inflation is expected. The USD/EUR exchange rate is 1,08. Market analysts say that during the next year the USD is expected to appreciate by...

(1) Trophic Cascades in theSerengeti. Watch Dr. Cox's video on "What Rinderpest eradication taught us about...

(1) Trophic Cascades in theSerengeti. Watch Dr. Cox's video on "What Rinderpest eradication taught us about the Serengeti", which can be found in the Instructor Insights folder for this week. Then address the following questions: (a) How did eradication of Rinderpest from East Africa increase both the tree and giraffe populations in the Serengeti? (b) How did eradication of Rinderpest from East Africa increase the population of predator species in the Serengeti? (c) What does this tell us about ecosystems?...

What does US GAAP say about the Statement of Cash Flows? Name and define the building...

What does US GAAP say about the Statement of Cash Flows? Name and define the building blocks of Ratio Analyses? Name and define standards of comparison for analysis?

Subjects