mathxi.com/Student/PlayerTest.aspx?testld=237113831¢erwin=yes INSS 220 -102 Business Statistics Jasmine Hollis & | 11/15/21 6:00 PM E Test: Test 2 Question 4 of 10 This test: 10 point(s) possible This question: 1 point(s) possible Submit test A country's tax collection agency reported that 95% of individual tax returns were filed electronically in 2017. A random sample of 212 tax returns from 2018 was selected. From this sample, 184 were filed electronically. Complete parts a through c. a. Construct a 99% confidence interval to estimate the actual proportion of taxpayers who filed electronically in 2018. The confidence interval has a lower limit of | and an upper limit of (Round to three decimal places as needed.) b. What is the margin of error for this sample? The margin of error is (Round to three decimal places as needed.) c. Is there any evidence that this proportion has changed since 2017 based on this sample? This sample evidence that this proportion has changed since 2017, since the Next 6:00 PM Type here to search O W X N 43F -6064 11/15/2021 hp