Answered: Use the sample data and confidence…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.4: Two-ways Tables

Problem 5E

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Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 918 and x= 520 who said yes * Use a 99% confidence level. E Click the icon to view a table of z scores. a) Find the best point estimate of the population proportion p (Round to three decimal places as needed.) b) Identify the value of the margin of error E E= a (Round to three decimal places as needed.) c) Construct the confidence interval. spel (Round to three decimal places as needed.) ) Write a statement that correctly interprets the confidence interval Choose the correct answer below. O A. 99% of sample proportions will fall between the lower bound and the upper bound. O B. One has 99% confidence that the sample proportion is equal to the population proportion. O C. One has 99% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. O D. There is a 99% chance that the true value of the population proportion will fall between the lower bound and the upper bound.

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