According to a government agency, 18.8% of the population of a certain country smoked in 2016. In 2018, a random sample of 654 citizens of that country was selected, 111 of whom smoked Complete parts a through c a. Construct a 99% confidence interval to estimate the actual proportion of people who smoked in the country in 2018. and an upper limit of The confidence interval has a lower 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 2016 based on this sample? This sample evidence that this proportion has changed since 2016, since the

According to a government agency, 18.8% of the population of a certain country smoked in 2016. In 2018, a random sample of 654 citizens of that country was selected, 111 of whom smoked Complete parts a through c a. Construct a 99% confidence interval to estimate the actual proportion of people who smoked in the country in 2018. and an upper limit of The confidence interval has a lower 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 2016 based on this sample? This sample evidence that this proportion has changed since 2016, since the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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