A research center survey of 2,484 adults found that 1,942 had bought something online. Of these online shoppers, 1,295 are weekly online shoppers. Complete parts(a) through (c) below.a. Construct a 95% confidence interval estimate of the population proportion of adults who had bought something online.Sas (Round to four decimal places as needed.)ledb. Construct a 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers.Sas (Round to four decimal places as needed.)c. How would the director of e-commerce sales for a company use the results of (a) and (b)?O A. Since a greater proportion of adults have purchased something online than are weekly online shoppers, the director of e-commerce sales may want tofocus on those adults who have purchased something online.ledO B. The information cannot be compared because it is derived from two different opinions.O C. Agreater proportion of adults have purchased something online, but since a lesser percent of those are weekly online shoppers, the director ofn om moren calor ma unnt in fooue on thocn adulte ahn aro nokhu enline chonnorestudHelp me solve thisView an exampleGet more help -TH 205 UU3 Spring 2022) is based on Berenson: BasiC Business Statistics, 14erivacy Policy Copyright © 2022 Pearson Education Inc. All Rights Reserved.pe here to search1444010&9%8. b. Construct a 95% confidence interval estimate of the population proportion of online shoppers who are weekly online shoppers.Sas (Round to four decimal places as needed.)c. How would the director of e-commerce sales for a company use the results of (a) and (b)?O A. Since a greater proportion of adults have purchased something online than are weekly online shoppers, the director of e-commerce sales may want tofocus on those adults who have purchased something online.O B. The information cannot be compared because it is derived from two different opinions.O C. A greater proportion of adults have purchased something online, but since a lesser percent of those are weekly online shoppers, the director ofe-commerce sales may want to focus on those adults who are weekly online shoppers.O D. A greater proportion of adults have purchased something online, but those adults who are weekly online shoppers make larger purchases, so the directorof e-commerce sales may want to focus on those adults who are weekly online shoppers.Help me solve thisView an exampleGet more help -SUU3 Spring 2022) is based on Berenson: Basic Business Statistics, 14ePolicy |Copyright © 2022 Pearson Education Inc. All Rights Reserved.e to search

Given that A Research survey of 2484 adults found. Sample size (n) = 2484 Adults who shop…

Answered: A research center survey of 2,484…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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he average consumer unit spent $1874 on apparel and services in2006.That same year, 25 consumer units in theNorth-east had the following annual expenditures, in dollars, on apparel and services. 1417, 1595, 2158, 1820, 1411, 2361, 2371, 2330, 1749, 1872, 2826, 2167, 2304, 1998, 2582, 1982, 1903, 2405, 1660, 2150, 2128, 1889, 2251, 2340, 1850 At the 5% signiﬁcance level, do the data provide sufﬁcient evidence to conclude that the 2006 mean annual expenditure on apparel and services for consumer units in the Northeast differed from the national mean of $1874?
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A research center survey of 2,484 adults found that 1,942 had bought something online. Of these online shoppers, 1,295 are weekly online shoppers. Complete parts (a) through (c) below.