QuickHelper

(10)

$20/per page/

About QuickHelper

Levels Tought:
Elementary,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Business & Finance,Chemistry,Engineering,Health & Medical Hide all
Teaching Since: May 2017
Last Sign in: 356 Weeks Ago, 3 Days Ago
Questions Answered: 20103
Tutorials Posted: 20155

Education

  • MBA, PHD
    Phoniex
    Jul-2007 - Jun-2012

Experience

  • Corportae Manager
    ChevronTexaco Corporation
    Feb-2009 - Nov-2016

Category > Accounting Posted 29 Aug 2017 My Price 11.00

A sample of the reading scores of 35 fifth-grader, statistics homework help

Question description

 

1. A sample of the reading scores of 35 fifth-graders has a mean of 82. The standard deviation of the population is 15. Find the 95% confidence interval of the mean reading scores of all fifth-graders. Please round to the nearest whole number and write your answer in the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

2. A sample of the reading scores of 35 fifth-graders has a mean of 82. The standard deviation of the population is 15. Find the 99% confidence interval of the mean reading scores of all fifth-graders. Please round to the nearest whole number and write your answer in the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

3. A study of 35 golfers showed that their average score on a particular course was 92. The standard deviation of the population is 5. Find the 95% confidence interval of the mean score for all golfers. Please round to the nearest whole number and write your answerin the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

4. A sample of six college wrestlers had an average weight of 276 pounds with a sample standard deviation of 12 pounds. Find the 90% confidence interval of the true mean weight of all college wrestlers. Please round to the nearest whole number and write your answer in the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

5. For a group of 10 men subjected to a stress situation, the mean number of heartbeats per minute was 126 and the standard deviation was 4. Find the 95% confidence interval of the true mean. Please round to the nearest whole number and write your answer in the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

6. Thirty-five percent of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence. Please round to the nearest thousandth and write your answer in the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

7. In a poll of 1000 likely voters, 560 say that the United States spends too little on fighting hunger at home. Find a 95% confidence interval for the true proportion of voters who fell this way.

Please round to the nearest thousandth and write your answer in the form ( , ); for example (31,34) or (25,46). Do not type in any extra spaces.

Answers

QuickHelper
(10)
Status NEW Posted 29 Aug 2017 06:08 AM My Price 11.00

Hel-----------lo -----------Sir-----------/Ma-----------dam----------- T-----------han-----------k Y-----------ou -----------for----------- us-----------ing----------- ou-----------r w-----------ebs-----------ite----------- an-----------d a-----------cqu-----------isi-----------tio-----------n o-----------f m-----------y p-----------ost-----------ed -----------sol-----------uti-----------on.----------- Pl-----------eas-----------e p-----------ing----------- me----------- on----------- ch-----------at -----------I a-----------m o-----------nli-----------ne -----------or -----------inb-----------ox -----------me -----------a m-----------ess-----------age----------- I -----------wil-----------l

Not Rated(0)