Homework

Related Homework Questions
For a study conducted by the research department of a pharmaceutical
For a study conducted by the research department of a pharmaceutical company, 280 randomly selected individuals were asked to report the amount of money they spend annually on prescription allergy rel… read more
akch2002
Master's Degree
2,401 satisfied customers
1. Assume that the data has a normal distribution and the number
1. Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis. Alpha = 0.05 for a left-tailed test. -… read more
Ray Atkinson
Bachelor's Degree
1,687 satisfied customers
If you recall from Chapter 5, sample statistics (sample mean
If you recall from Chapter 5, sample statistics (sample mean and sample standard variation) are dependent or vary by sample. For example, the sample mean number of plain M&M candies in a 1.69 oz bag w… read more
R.R. Jha
Bachelor's Degree
4,983 satisfied customers
Confidence Intervals If you recall from Chapter 5, sample
Confidence Intervals If you recall from Chapter 5, sample statistics (sample mean and sample standard variation) are dependent or vary by sample. For example, the sample mean number of plain M&M candi… read more
R.R. Jha
Bachelor's Degree
4,983 satisfied customers
Week 5 Assignment 3 Quiz Complete the quiz by the end of
Week 5 Assignment 3: Quiz Complete the quiz by the end of Day 7, and post it in the Dropbox. Part I T/F & Multiple Choice (20 points) 1. If s is unknown when completing a hypothesis test about the pop… read more
tutormba
Asst. Manager
Master's Degree
28 satisfied customers
During the rose bowl, the length (in seconds) of 12 randomly
During the rose bowl, the length (in seconds) of 12 randomly chosen commercial breaks during timeouts (following touchdowns, turnovers, field goals, or punts) were: 65; 75; 85; 95; 80; 100; 90; 80; 85… read more
Susan Athena
Research analyst, tutor
Master's Degree
3,810 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
9 STATISTICS QUESTIONS No need to show working. ANSWERS ...
9 STATISTICS QUESTIONS: No need to show working. ANSWERS ONLY. I will post the questions one by one. i only need answers. 1. Find the critical value, za/2, that corresponds to a confidence level of 85… read more
abozer
Research Assistant
Bachelor's Degree
6,159 satisfied customers
1. A machine produces 3-inch nails. A sample of 10 nails ...
1. A machine produces 3-inch nails. A sample of 10 nails was selected and the lengths determined. The results are as follows: 2.89 2.95 3.00 3.05 2.99 2.96 3.10 3.06 &n bsp; 3.00 3.12 Used these resul… read more
prabhjyot
tutor
Bachelor Degree
272 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
Construct a 95% confidence interval for the difference
Construct a 95% confidence interval for the difference between the two population means. Assume that the two samples are independent and that they have been randomly selected. Two types of flares are … read more
mathsmart
Tutor
909 satisfied customers
Construct a 95% confidence interval for the difference
Construct a 95% confidence interval for the difference between population proportions p1 - p2. Assume that the samples are independent and that they have been randomly selected. x1 = 29, n1 = 60 and x… read more
abozer
Research Assistant
Bachelor's Degree
6,159 satisfied customers
The following table shows weekly earnings of part-time ...
The following table shows weekly earnings of part-time office clerks in a metropolitan area. The information was collected in a survey based on a sample of 152 clerical workers randomly selected from … read more
mathsmart
Tutor
909 satisfied customers
Construct the indicated confidence interval for the
Construct the indicated confidence interval for the difference between population proportions p1 - p2. Assume that the samples are independent and that they have been randomly selected. A marketing su… read more
abozer
Research Assistant
Bachelor's Degree
6,159 satisfied customers
Construct the indicated confidence interval for the
Construct the indicated confidence interval for the difference between population proportions p1 - p2. Assume that the samples are independent and that they have been randomly selected. x1 = 10, n1 = … read more
RoberttheRocket
Bachelor Degree
76 satisfied customers
An experiment was conducted to test the effects of alcohol.
An experiment was conducted to test the effects of alcohol. The errors were recorded in a test of visual and motor skills for a treatment group of people who drank ethanol and another group give a pla… read more
mathsmart
Tutor
909 satisfied customers
Working independently, two researchers have each devised a ...
Working independently, two researchers have each devised a sampling plan to be carried out for the purpose of constructing a 90% confidence interval for the mean of a certain population. What is the p… read more
mathsmart
Tutor
909 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
Tutor
909 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:

Gregory White, MA, MS

1,231 satisfied customers

Master's in Education and 15 years teaching advanced courses

LogicPro

Engineer

6,229 satisfied customers

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

Manal Elkhoshkhany

Tutor

4,567 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

2,720 satisfied customers

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

F. Naz

Chartered Accountant

2,207 satisfied customers

Experience with chartered accountancy

Bizhelp

CPA

1,887 satisfied customers

Bachelors Degree and CPA with Accounting work experience

Seanna

Tutor

1,781 satisfied customers

3,000+ satisfied customers, all topics, A+ work

< 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.

Show MoreShow Less