Math Homework

Ask Math Questions. Get Help With Your Math Homework

Connect one-on-one with {0} who will answer your question

confidence interval. Round your answer...

Find the margin of error to be used in constructing the confidence interval. Round your answer to six decimal places.

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a math tutor or teacherLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Math Homework Questions

Need help on a homework JA: The Math Tutor can help you get

need help on a homework JA: The Math Tutor can help you get an A on your homework or ace your next test. Tell me more about what you need help with so we can help you best. Customer: statistic JA: Any… read more

1). Assume that a random sample is used to estimate a population

1). Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. 98% confidence, the sample size… read more

Assume that a sample is used to estimate a population

9. Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. Round the margin of error to four decim… read more

A Gallup Survey conducted in January 2010 reported that 78%

A Gallup Survey conducted in January 2010 reported that 78% of regular air travelers approved of U.S. airports using full body scans on airline passengers. The sample size was 542. a. Construct a 95% … read more

3. Find the margin of error for the given values of c, s, and

3. Find the margin of error for the given values of c, s, and n. c=0.95, s=3.1, n=49 E= ? ( Round to three decimal places as needed.) 4. You are given the sample mean and the sample standard deviation… read more

8. The life span of a battery is normally distributed, with

8. The life span of a battery is normally distributed, with a mean of 2300 hours and a standard deviation of 50 hours. What percent of batteries have a life span that is more than 2365 hours? What per… read more

For this problem, carry at least four digits after the decimal

For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. In a marketing survey, a random sample of 736 women shoppers revealed th… read more

find the qppropriate minimum sample size. you want to be 95%

Please who can get me a fast answer to any of these 16. Solve the problem. The following confidence interval is obtained for a population proportion, p: (0.707, 0.745). Use these confidence interval l… read more

In a random sample of six microwave ovens, the mean repair

In a random sample of six microwave ovens, the mean repair cost was $90.00 and the standard deviation was $14.00. Assume the variable is normally distributed and use a t-distribution to construct a 90… read more

The new Twinkle bulb is being developed to last more than 1000

The new Twinkle bulb is being developed to last more than 1000 hours. A random sample of 100 of these new bulbs is selected from the production line. It was found that 48 lasted more than 1000 hours. … read more

2) construct the indicated confidence interval for the population

2) construct the indicated confidence interval for the population mean using a t-distribution. If you had incorrectly used a normal distribution, which interval would be wider? c= .90, x= 13.4, s= 2.0… read more

1) A mchine cuts plastic into sheets that are 30 feet 9360

1) A mchine cuts plastic into sheets that are 30 feet 9360 inches) long. Assume that the population of lengths is normally distributed. The company wants to estimate the mean lenth the machine is cutt… read more

1) Find the critical value Zc necessary to form a confidence

1) Find the critical value Zc necessary to form a confidence interval at the level shown. C=.95 (round to two places) 2) Find the margin of error. c= .95, s=3.6, n=100 (round to three decimal places) … read more

. In a random sample of 26 computers, the mean repair cost

. In a random sample of 26 computers, the mean repair cost was $130 with a sample standard deviation of $36. Assume that the population is normally distributed. (References: example 2 and 3 pages 327 … read more

Problem 1) Use the given confidence level and sample data to

Problem 1) Use the given confidence level and sample data to find (a) the margin of error and (b) the confidence interval for the population mean u. Assume that the population has a normal distributio… read more

Hi please help!! thank you. 1-In a random sample of 26 people

Hi please help!! thank you. 1-In a random sample of 26 people , the mean number of books they null read in the past year was 13.67 books and standard deviation was 16.60 bboks. Assume the variable is … read more

Construct the 95% and 99% confidence intervals for the population

Construct the 95% and 99% confidence intervals for the population proportion p using the sample statistics below. Which interval is wider? If convenient, use technology to construct the confidence int… read more

5. The test scores for 12 randomly selected high school seniors

5. The test scores for 12 randomly selected high school seniors are shown below 1426 1221 984 692 725 831 722 748 547 624 1449 945 Assume the population is normally distributed. Find the sample mean x… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

Mr. Gregory White

Master's Degree

113 satisfied customers

M.A., M.S. Education / Educational Administration

Dr Arthur Rubin

Doctoral Degree

65 satisfied customers

Ph.D. in Mathematics, California Institute of Technology

JACUSTOMER-yrynbdjl-

Master's Degree

49 satisfied customers

I have taught college Mathematics for the past 10 years.

SusanAthena

Master's Degree

41 satisfied customers

Tutor for Algebra, Geometry, Statistics. Explaining math in plain English.

Manal Elkhoshkhany

Bachelor's Degree

39 satisfied customers

I have completed my BA degree in 1988, and graduated with a GPA of 4.0.

mhasan420

Master's Degree

29 satisfied customers

BA Maths, Oxford

Don

Master's Degree

17 satisfied customers

M.S. Astronautical Engineering. Math/Science/Comp Tutor

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.