Login

Contact Us
Homework
Homework Questions? Ask a Tutor for Answers ASAP
Not a Homework Question?
How JustAnswer Works:
Ask an Expert
Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
Get a Professional Answer
Via email, text message, or notification as you wait on our site.
Ask follow up questions if you need to.
100% Satisfaction Guarantee
Rate the answer you receive.
Ask Scott Your Own Question
Scott
,
MIT Graduate
Category:
Homework
Satisfied Customers:
3040
Experience:
MIT Graduate (Math, Programming, Science, and Music)
3546829
Type Your Homework Question Here...
Scott is online now
Statistics
Customer Question
_______________________________________________________________________ A study of 8 worldwide financial institutions showed the correlation between their assets and pretax profit to be .74. (1) State the decision rule for .01 significance level: Ho: ρ ≤ 0; H1: ρ > 0 (rounded 3 decimal places.) Reject Ho if t> (2) Compute the value of the test statistic. (Rounded to 2 decimal places.) Value of the test statistic (3) Can we conclude that the correlation in the population is greater than zero? Use the .01 significance level Reject or Do not reject Ho . It is reasonable or not reasonable to conclude that there is positive association in the population between assets and pretax profit. __________________________________________________________________ The following sample observations were randomly selected. (Do not round the intermediate values. Rounded to 2 decimal places.) X: 4 5 3 6 10 Y: 9.7 5 8.9 14.3 23.5 (a) Determine the 0.95 confidence interval for the mean predicted when X = 9 ( , ) (b) Determine the 0.95 prediction interval for an individual predicted when X = 9 ( , ) ____________________________________________________________________ Given the following hypothesis: H0 : μ = 130 H1 : μ ≠ 130 A random sample of six resulted in the following values 141, 142, 137, 145, 148, and 144. Using the .05 significance level, can we conclude the mean is different from 130? (a) What is the decision rule? (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) Reject H0 : μ = 130 and fail to reject H1 : μ ≠ 130 when the test statistic is (Click to select)outside the intervalinside the interval ( , ). (b) The value of the test statistic is (Round your answer to 3 decimal places.) ) What is your decision regarding H0 ? Reject or Fail to reject (d) Estimate the pvalue. Greater than 0.1Between 0.05 and 0.2Less than 0.001Between 0.001 and 0.05 _________________________________________________________________________ In a poll to estimate presidential popularity, each person in a random sample of 1,390 voters was asked to agree with one of the following statements: 1. The president is doing a good job. 2. The president is doing a poor job. 3. I have no opinion. A total of 750 respondents selected the first statement, indicating they thought the president was doing a good job. (a) Construct a 95 percent confidence interval for the proportion of respondents who feel the president is doing a good job. (Round your answers to 3 decimal places.) Confidence interval for the proportion is up to . (b) Based on your interval in part (a), is it reasonable to conclude that a majority (half) of the population believes the president is doing a good job? YesNo ____________________________________________________________________ Waterbury Insurance Company wants to study the relationship between the amount of fire damage and the distance between the burning house and the nearest fire station. This information will be used in setting rates for insurance coverage. For a sample of 30 claims for the last year, the director of the actuarial department determined the distance from the fire station (X) and the amount of fire damage, in thousands of dollars (Y). The MegaStat output is reported below. ANOVA table Source SS df MS F Regression 1,875.5782 1 1,875.5782 42.33 Residual 1,240.4934 28 44.3033 Total 3,116.0716 29 Regression output Variables Coefficients Std. Error t(df=28) Intercept 12.5908 3.1151 3.547 DistanceX 2.6222 7.347 6.51  (a1) Write out the regression equation. (Round your answers to 3 decimal places.) Y = + X. (a2) Is there a direct or indirect relationship between the distance from the fire station and the amount of fire damage? The relationship between distance and damage is (Click to select)inversedirect. (b) How much damage would you estimate (in dollars) for a fire 6 miles from the nearest fire station? (Round your answer to the nearest dollar amount. Omit the "$" sign in your response.) Estimated damage $ (c1) Determine the coefficient of determination. (Round your answer to 3 decimal places.) Coefficient of determination (c2) Fill in the blank below. % of the variation in damage is explained by variation in distance.
Submitted:
4 years ago.
Category:
Homework
Share this conversation
JustAnswer in the News:
Askadoc 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.
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 workfromhome 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
<
Previous

Next
>
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!!!!
Alex
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.
GP
Hesperia, CA
I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.
Justin
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.
Esther
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.
Robin
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.
Diane
Dallas, TX
Meet The Experts:
LogicPro
Engineer
Satisfied Customers:
4925
Expert in Java C++ C C# VB Javascript Design SQL HTML
<
Last

Next
>
http://ww2.justanswer.com/uploads/ComputersGuru/20100213_051118_Photo41.JPG
LogicPro's Avatar
LogicPro
Engineer
Satisfied Customers:
4925
Expert in Java C++ C C# VB Javascript Design SQL HTML
http://ww2.justanswer.com/uploads/BU/BusinessTutor/201222_115741_Kouki2.64x64.jpg
Manal Elkhoshkhany's Avatar
Manal Elkhoshkhany
Tutor
Satisfied Customers:
4538
More than 5000 online tutoring sessions.
http://ww2.justanswer.com/uploads/LI/lindaus/2012610_04811_IMG20120609164157.64x64.jpg
Linda_us's Avatar
Linda_us
Finance, Accounts & Homework Tutor
Satisfied Customers:
3138
Post Graduate Diploma in Management (MBA)
http://ww2.justanswer.com/uploads/chooser77/20090818_162025_Chris.jpg
Chris M.'s Avatar
Chris M.
M.S.W. Social Work
Satisfied Customers:
2602
Master's Degree, strong math and writing skills, experience in oneonone tutoring (college English)
http://ww2.justanswer.com/uploads/JawaadAhmed/2009627_12137_SIs_SHadi.jpg
F. Naz's Avatar
F. Naz
Chartered Accountant
Satisfied Customers:
2126
Experience with chartered accountancy
http://ww2.justanswer.com/uploads/JK/jkcpa/2011116_182614_jkcpa.64x64.jpg
Bizhelp's Avatar
Bizhelp
CPA
Satisfied Customers:
1887
Bachelors Degree and CPA with Accounting work experience
http://ww2.justanswer.com/uploads/avremote/photoa.jpg
Seanna's Avatar
Seanna
Tutor
Satisfied Customers:
1781
3,000+ satisfied customers, all topics, A+ work
Related Homework Questions
Question
Date Submitted
For LogicPro onlyneed second part. Update the Java™ GUI
8/29/2016
8/29/2016
LogicPro
Without telling me any more about the story seeing that I'm
8/29/2016
8/29/2016
Cher
For only Logic Pro” Note: Provide a basic schema for product
8/28/2016
8/29/2016
LogicPro
I have two questions that I couldn't figure out on Bayes'
8/27/2016
8/28/2016
GLENN
I need assistance with a consolidation worksheet for
8/27/2016
8/28/2016
Manal Elkhoshkhany
Project management risks related to developing and
8/27/2016
8/27/2016
Donna Kakonge
1.) Freewriting, brainstorming, clustering, asking questions
8/26/2016
8/27/2016
Judy Bailey
Total load range is 5000 watts. what is the approximate
8/26/2016
8/26/2016
urelectrician
For LogicPro Only. Respond to one of the following
8/26/2016
8/27/2016
LogicPro
I have entered information into the cells in rows 2 to 16 in
8/26/2016
8/26/2016
akch2002
X
Ask a Tutor
Get a Professional Answer. 100% Satisfaction Guaranteed.
32 Tutors are Online Now
Type Your Homework Question Here...
characters left: