What is the margin of error for the sample

Assignment Help Basic Statistics

Reference no: EM131899928

Qusetion: A website reported that 31% of drivers 18 and older admitted to texting while driving in 2009. In a random sample of 200 drivers 18 years and older drawn in 2010. 53 of the drivers said they texted while driving. Complete parts a through c below.

Construct a 99% confidence interval to estimate the actual proportion of people who texted while driving in 2010. A 99% confidence interval to estimate the actual proportion has a lower limit of squarebox and an upper limit of squarebox. (Round to three decimal places as needed.)

What is the margin of error for this sample? The margin of error is squarebox. (Round to three decimal places as needed.)

Is there any evidence that this proportion has changed since 2009 based on this sample? Because the confidence interval found in part a the reported proportion from 2009, this sample evidence that this proportion has changed since then.

Reference no: EM131899928

Questions Cloud

What specific strategies should the company use : Webster Cleaning, LLC is a janitorial services company incorporated in the State of Arkansas. It has employees in Bentonville, Jonesboro.

What might be some advantages for the government entities : What are some ways you have encountered E-government in your life. What are the advantages and disadvantages for you? What might be some advantages.

Why has the intended outcome of some such revolutions : Why has the intended outcome of some such revolutions still not materialized, and several of those countries have in fact regressed?

Hundred complaints about its coffee being too hot : Given that McDonald's serves millions of cups of coffee every week, how important are a few hundred complaints about its coffee being too hot?

What is the margin of error for the sample : A website reported that 31% of drivers 18 and older admitted to texting while driving in 2009. In a random sample of 200 drivers 18 years and older drawn.

Design a high quality developmental plan : 1. Describe the importance and benefits of including a developmental plan as part of the performance management system?

Transportation and warehousing of pharmaceuticals in canada : Identify and explain three safety and/or regulatory requirements that must be adhered to for the transportation and warehousing of pharmaceuticals

Reflect on your database and catalog searches : How were the databases similar or different? How were your results similar or different?

What are advantages or disadvantages of a company : What are advantages or disadvantages of a company choosing to work through intermediaries when selling products in a foreign country?

User Account

All Pages