Applications 35. Health-Care Survey. In the spring of 2017, the Consumer Reports National Research Center conducted a survey of 1007 adults to learn about their major health-care con- cerns. The survey results showed that 574 of the respondents lack confidence they will be able to afford health insurance in the future. a. What is the point estimate of the population proportion of adults who lack confidence they will be able to afford health insurance in the future. b. At 90% confidence, what is the margin of error? c. Develop a 90% confidence interval for the population proportion of adults who lack confidence they will be able to afford health insurance in the future. d. Develop a 95% confidence interval for this population proportion. 36. Automobile Insurance Coverage. According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance. Sample results, consistent with the CNBC report, showed 46 of 200 vehicles were not covered by insurance. What is the point estimate of the proportion of vehicles not covered by insurance? b. Develop a 95% confidence interval for the population proportion. 37. Voter Sentiment. One of the questions Rasmussen Reports included vey of 2.500 likely voters asked if the country is headed in the right direction. Repres- entative data are shown in the file RightDirection. A response of Yes indicates that the respondent does think the country is headed in the right direction. A response of No right 2020 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-202 e Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights We've updated our rea Give it a try Aa POV OF TAX- X+ M* MO M M±

Applications 35. Health-Care Survey. In the spring of 2017, the Consumer Reports National Research Center conducted a survey of 1007 adults to learn about their major health-care con- cerns. The survey results showed that 574 of the respondents lack confidence they will be able to afford health insurance in the future. a. What is the point estimate of the population proportion of adults who lack confidence they will be able to afford health insurance in the future. b. At 90% confidence, what is the margin of error? c. Develop a 90% confidence interval for the population proportion of adults who lack confidence they will be able to afford health insurance in the future. d. Develop a 95% confidence interval for this population proportion. 36. Automobile Insurance Coverage. According to statistics reported on CNBC, a surprising number of motor vehicles are not covered by insurance. Sample results, consistent with the CNBC report, showed 46 of 200 vehicles were not covered by insurance. What is the point estimate of the proportion of vehicles not covered by insurance? b. Develop a 95% confidence interval for the population proportion. 37. Voter Sentiment. One of the questions Rasmussen Reports included vey of 2.500 likely voters asked if the country is headed in the right direction. Repres- entative data are shown in the file RightDirection. A response of Yes indicates that the respondent does think the country is headed in the right direction. A response of No right 2020 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-202 e Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights We've updated our rea Give it a try Aa POV OF TAX- X+ M* MO M M±

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 7PPS

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Problem 37 a-e

Applications
35. Health-Care Survey. In the spring of 2017, the Consumer Reports National Research
Center conducted a survey of 1007 adults to learn about their major health-care con-
cerns. The survey results showed that 574 of the respondents lack confidence they will
be able to afford health insurance in the future.
a. What is the point estimate of the population proportion of adults who lack
confidence they will be able to afford health insurance in the future.
b. At 90% confidence, what is the margin of error?
c. Develop a 90% confidence interval for the population proportion of adults who lack
confidence they will be able to afford health insurance in the future.
d. Develop a 95% confidence interval for this population proportion.
36. Automobile Insurance Coverage. According to statistics reported on CNBC, a
surprising number of motor vehicles are not covered by insurance. Sample results,
consistent with the CNBC report, showed 46 of 200 vehicles were not covered by
insurance.
What is the point estimate of the proportion of vehicles not covered by insurance?
b. Develop a 95% confidence interval for the population proportion.
37. Voter Sentiment. One of the questions Rasmussen Reports included
vey of 2.500 likely voters asked if the country is headed in the right direction. Repres-
entative data are shown in the file RightDirection. A response of Yes indicates that the
respondent does think the country is headed in the right direction. A response of No
right 2020 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. WCN 02-200-202
e Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and
that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights
We've updated our rea
Give it a try
Aa
POV
OF TAX-
X+
M*
MO
M
M±

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