Calculus and Above

Calculus Questions? Ask a Mathematician for Answers ASAP

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

It is known that the...

From a sample of size 25, the sample mean is found to be 26. It is known that the variable of interest is approximately normally distributed with variance of 36. Using this data the 95% confidence interval for the population mean is computed. Which one of the following is the correct 95% confidence interval for the population mean.

Possible answers

(0.47; 26.1)

(23.6; 28.4)

(11.6; 18.2)

(-11.6; 40.4)

None of the above

Possible answers

(0.47; 26.1)

(23.6; 28.4)

(11.6; 18.2)

(-11.6; 40.4)

None of the above

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Calculus and Above Questions

The confidence interval for the difference between two

The confidence interval for the difference between two population means is to be undertaken. For this purpose a random sample of size 18 is taken from Population-1. The sample mean is found to be 5.7.… read more

A simple random sample of size n is drawn. The sample mean,

A simple random sample of size n is drawn. The sample mean, x overbar, is found to be 18.2, and the sample standard deviation, s, is found to be 4.9.(a) Construct a 95% confidence interval about… read more

The distribution of heights of 18-year-old men in the United

The distribution of heights of 18-year-old men in the United States is approximately normal, with mean 68 inches and standard deviation 3 inches (U.S. Census Bureau). In Minitab, we can simulate the d… read more

A recent study investigated the extent to which hypertension

A recent study investigated the extent to which hypertension is affected by alcohol consumption. Among other things, the study compared the rate of hypertension in nondrinkers to the rate in people th… read more

Question 2.2. Which of the following distributions is most

Question 2.2. Which of the following distributions is most likely to approach a normal distribution? (Points : 1) distribution of all possible sample means of sample size 90 distribution of all possib… read more

1. If A and are independent events with P(A) = 0.4 and P()

1. If A and B are independent events with P(A) = 0.4 and P(B) = 0.6, then P(A l B) = • 0.76 • 1.00 • 0.24 • 0.2 • None of the above 2. If A and B are independent events with P(A) = 0.2 and P(B) = 0.6,… read more

The following are the overall miles per gallon (MPG) of 2012

The following are the overall miles per gallon (MPG) of 2012 family sedans: 38 24 26 21 25 22 24 34 23 20 37 22 20 33 22 21 a. Construct a 95& confidence interval estimate for the population mean MPG … read more

FOR GURU ONLY --- FOR GURU ONLY!!! Here are the first 40.

FOR GURU ONLY --- FOR GURU ONLY!!! Here are the first 40. As per your last e-mail of only getting half of what you charge, I'll pay $50 for this first 40 and $50 for the second 40 questions. If all is… read more

a random sample of four microwave ovens, the mean cost was

a random sample of four microwave ovens, the mean cost was &85.00 and the standard deviation was $13.50. The 90% confidence interval for the population mean u is (_,_) (round to two decimal places as … read more

FOR GURU2009 ONLY: Assignment number 1: Needed right now! 1. In

FOR GURU2009 ONLY: Assignment number 1: Needed right now! 1. In the standard normal distribution, the standard deviation is always: 2. The area under the standard normal curve is: 3. If Mary gets a 90… read more

I know the shape of the distribution of sample means is not

I know the shape of the distribution of sample means is not always that of an approximately normal distribution, but how do I explaine why?… read more

Calculate the standard error. (Round your answers to 4 decimal

Calculate the standard error. (Round your answers to 4 decimal places.) Standard Error (b) n = 50, π = .20 (c) n = 100, π = .10 (d) n = 500, π = .005 Find a confidence interval for μ assuming that eac… read more

TCO 6) Horse race time is found to be normally distributed

TCO 6) Horse race time is found to be normally distributed with a mean value of 10 minutes and a standard deviation of 2 minutes. Horses whose race time is in the top 5% will not be eligible to partic… read more

Hi Sandhya! Its me again, do you think you could help me

Hi Sandhya! It's me again, do you think you could help me with this homework? Deadline is 7 hours from now. Really need help! QUESTION 1 Before launching a new online service, a bank is interested in … read more

Sample of 45 home theatre systems has a mean price of $129.00

3. You are given the sample mean and the sample standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Which interval is wider? If the conv… read more

16. In a survey of 630 males ages 18-64, 391 say they have

16. In a survey of 630 males ages 18-64, 391 say they have gone to the dentist in the past year. Construct 90% and 95% confidence intervals for the population proportion. Interpret the results and com… read more

1.Assume that the weight loss for the first month of a diet

1.Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution… read more

Given the coefficient of variance for a large population with

Given the coefficient of variance for a large population with an assumed normally distributed characteristic, e.g. mass, what is the minimum number of samples that I shall have to measure in order to … 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

114 satisfied customers

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

SusanAthena

Master's Degree

102 satisfied customers

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

Dr Arthur Rubin

Doctoral Degree

96 satisfied customers

Ph.D. in Mathematics, 1978, from the California Institute of Technology, over 20 published papers

rajeevanpillai

Master's Degree

94 satisfied customers

B.Sc Mathematics and M.Sc, M Phil Statistics

JACUSTOMER-yrynbdjl-

Master's Degree

42 satisfied customers

I have a MS in Mathematics and I have taught Mathematics for 10 years at the college level.

dhouse1940

Master's Degree

33 satisfied customers

BS mathematics, MS biostatistics, 35+ yrs designing & analyzing biological experiments.

Don

Master's Degree

29 satisfied customers

M.S. Astronautical Engineering. Math/Sci/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.