Business Statistics | Stat 2000 CTRA[31452] Log In | Co. Debora Pierre 12/13/22 1:02 PM o Homewe Homework: Stat 2000 HW_CH08 Question 10, 8.3.32-T HW Score: 30.16%, 3.92 of 13 11/10/2022 Part 1 of 3 points Points: 0 of 1 Save i Changes m Question list K A research center survey of 2,411 adults found that 1,853 had bought something online. Of these online shoppers, 1,202 are weekly online shoppers. Complete parts (a) through (c) below. Name: Question 7 Due: a. Construct a 95% confidence interval estimate of the population proportion of adults who had bought something online. Last Worked: Question 8 sits (Round to four decimal places as needed.) Current Score: Attempts: Question 9 Questid Question 1 (1 O Question 10 Question 5 (0 Question 9 (0 O Question 11 0) Question 13 O Question 12 Review O Question 13 Clear all Check answer Help me solve this View an example Get more help - his course (Business erms of Use | Privacy 2 4 DEC 34 "tv 1311/10/2022 Polme: 9 01 1 Changes m Question list K If you want to be 95% confident of estimating the population mean to within a sampling error of $3 and the use dad deviation is assumed to be 12, what sample size is required? Name: % Question 7 Due: The sample size required is. Last Worked: (Round up to the nearest integer.) Current Score: Question 8 Attempts: Question 9 Questic Question 1 (1 O Question 10 Question 5 (C Question 9 (9 Question 11 Question 13 Question 12 Review Question 13 Clear all Check answer Help me solve this View an example Get more help This course (Business Terms of Use | Privacy G DLC tv 13Do Homewas Homework: Stat 2000 HW_CH08 HW Score: 30.16%, 3.92 of 13 11/10/2022 Question 12, 8.4.37-T points O Points: 0 of 1 Save Changes m Question list K If you want to be 95% confident of estimating the population proportion to within a sampling error of 10.06 and there is historical evidence that the population proportion is approximately 0.44, what sample size is needed? Name: Question 7 Due: A sample size of is needed. Last Worked: (Round up to the nearest integer.) Question 8 Current Score: Attempts: O Question 9 Questio Question 1 (1 Question 10 Question 5 (0 Question 9 (0 Question 11 Question 13 Question 12 Review O Question 13 Clear all Check answ Help me solve this View an example Get more help - course (Business ms of Use | Privacy 2 O DEC 42 35 tv 13a in | Co.. Homewa Homework: Stat 2000 HW_CH08 HW Score: 30.16%, 3.92 of 13 11/10/2022 Question 13, 8.4.40-T points O Points: 0 of 1 Save Changes m Question list K If a light bulb manufacturing company wants to estimate, with 99% confidence, the mean life of compact fluorescent light bulbs to within + 250 hours and also assumes that the population standard deviation is 800 hours, how many compact fluorescent light bulbs need to be selected? me: Question 7 Je: st Worked: n= (Round up to the nearest integer.) Question 8 urrent Score: tempts: Question 9 Questio Question 1 (1 O Question 10 Question 5 (0 Question 9 (0 Question 11 Question 13 O Question 12 Review Question 13 Clear all Check answer course (Business : Help me solve this View an example Get more help s of Use | Privacy 35 DEC itv 13