Homework

Related Homework Questions
Is there evidence that more than 70% of all students in WHS
Is there evidence that more than 70% of all students in WHS participate in school sponsored athletics? Be sure to do the entire hypothesis test (null, alternative, test name, p-value, conclusion) as o… read more
Erwin Garcia
Master of Science
2,763 satisfied customers
The average salary for a random sample of 25 experienced (12
The average salary for a random sample of 25 experienced (12 or more years) full professors in psychology graduate departments in 2012 was \$125,195, with a standard deviation of \$43,036. The populatio… read more
Jaun
Teacher
Master's Degree
2,100 satisfied customers
Adult women jog at an average speed of 10.50 kilometers per
Adult women jog at an average speed of 10.50 kilometers per hour with a standard deviation of 1.8. A randomly selected group of 25 women were chosen to take part in an endurance training programme. At… read more
R.R. Jha
Bachelor's Degree
6,909 satisfied customers
Provide the following pieces of information: a) the
Provide the following pieces of information: a) the variable(s), b) the type of variable(s), c) specify the explanatory variable(s) and response variable when possible, and d) the statistical method u… read more
Sandhya
Master's Degree
7,164 satisfied customers
The systolic blood pressure (given in millimeters) of males
The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean μ = 125 and standard deviation σ = 14. Systolic blood pressure for males follows a normal… read more
akch2002
Master's Degree
3,896 satisfied customers
a). The scores on a neuroticism scale are normally distributed.
a). The scores on a neuroticism scale are normally distributed. The mean score of the general adult population on the scale is 25 with a standard deviation of 6. A personality theorist believes that t… read more
Sandhya
Master's Degree
7,164 satisfied customers
For M Hasan 1.A sample of 50 golfers showed that their average
'For M Hasan' or "For Chirag" 1.A sample of 50 golfers showed that their average score on a particular golf course was 90 with a standard deviation of 6. Answer each of the following (show all work): … read more
Hasan
Bachelor's Degree
1,919 satisfied customers
What is the relationship between confidence intervals and hypothesis
What is the relationship between confidence intervals and hypothesis testing? How are they the same? How are they different?… read more
CoachChris
Corporate Financial Analyst
Bachelor's Degree
30 satisfied customers
1.What are the steps in formal hypothesis testing Make at
1.What are the steps in formal hypothesis testing? Make at least two explanatory comments about each step. 2. Test the hypothesis that a population mean is 150 against the alternate that it is not 150… read more
muvee
Master's Degree
1,030 satisfied customers
True/False 1. A two-tailed hypothesis test is the same
True/False 1. A two-tailed hypothesis test is the same as a two-sample t-test. T F 2. The t-critical value is always 2. T F 3. The degrees of freedom for a one sample hypothesis test when the populati… read more
abozer
Bachelor's Degree
6,158 satisfied customers
According to the data set supplied for research, there were
According to the data set supplied for research, there were 80 vehicles sold at the Whitner Autoplex Dealership. Of the 80 vehicles sold, 30 were domestic and 50 were imports. Based on the data chart,… read more
ResearchPro
Busness Consultant/Tutor/Instructor
Master's Degree
506 satisfied customers
In your own words explain the difference between a point
1. In your own words explain the difference between a point estimate and an interval estimate of a parameter? Which is better? Why? 2. What information is necessary to calculate a confidence interval?… read more
Sk1llz
Math student
1,518 satisfied customers
1. For a specific confidence interval, the larger the ...
1. For a specific confidence interval, the larger the sample size, the smaller the maximum error of estimate will be. _____ T/F 2. An estimator is consistent if, as the sample size decreases, the valu… read more
abozer
Bachelor's Degree
6,158 satisfied customers
1. In own words explain the difference between a point
1. In own words explain the difference between a point estimate and an interval estimate of a parameter? Which is better? Why? 2. What information is necessary to calculate a confidence interval? Is t… read more
prabhjyot
tutor
Bachelor Degree
272 satisfied customers
A machine produces 3-inch nails. A sample of 100 nails is ...
A machine produces 3-inch nails. A sample of 100 nails is selected, and it is found that 25 are shorter than 3 inches. Find the 95% confidence interval on the proportion of all such nails that are sho… read more
mba-sci
mba; m.sc. in chem. eng.; biz consu
156 satisfied customers
1. a study was conducted to estimate the mean amount spent ...
1. a study was conducted to estimate the mean amount spent on birthday gifts for a typical family having 2 children. a sample of 150 was taken, and the mean amount spent was \$225. assuming a standard … read more
abozer
Bachelor's Degree
6,158 satisfied customers
1. describe the following terms and give examples of each ...
1. describe the following terms and give examples of each a)point estimate, b)confidence interval, c)unbiased estimator, d)critical value, e)level of confidence, f)null hypothesis, g)type 1 error, h)h… read more
abozer
Bachelor's Degree
6,158 satisfied customers
1. A USA Today poll surveyed 1252 randomly selected debit ...
1. A USA Today poll surveyed 1252 randomly selected debit cardholders in the United States and found that 180 had used the debit card to purchase a product or service on the Internet. a. Find a point … read more
mathsmart
Private Tutor
Bachelor Degree
778 satisfied customers
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.
...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.

What Customers are Saying:

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

Mary C.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!!!!

AlexLos 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.

GPHesperia, CA

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

JustinKernersville, 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.

EstherWoodstock, 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.

RobinElkton, 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.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Scott

30,989 satisfied customers

MIT Graduate (Math, Programming, Science, and Music)

LogicPro

Engineer

23,494 satisfied customers

Expert in Python,Java C++ C C# VB Javascript Design SQL HTML

Manal Elkhoshkhany

Tutor

4,941 satisfied customers

More than 5000 online tutoring sessions.

Linda_us

Finance, Accounts & Homework Tutor

3,138 satisfied customers

Post Graduate Diploma in Management (MBA)

Chris M.

M.S.W. Social Work

2,852 satisfied customers

Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)

F. Naz

Chartered Accountant

2,280 satisfied customers

Experience with chartered accountancy

Jaun

Teacher

2,100 satisfied customers