7.65 What we do when we are sick at home. USA Today (Feb. 15, NW 2007) reported on the results of an opinion poll in which adults were asked what one thing they are most likely to do when they are home sick with a cold or the flu. In the sur- vey, 63% said that they are most likely to sleep and 18% said that they would watch television. Although the sample 10 size was not reported, typically opinion polls include ap- 2e proximately 1,000 randomly selected respondents. mia. Assuming a sample size of 1,000 for this poll, construct a 95% confidence interval for the true percentage of all adults who would choose to sleep when they are at home sick. b. If the true percentage of adults who would choose to sleep when they are at home sick is 70%, would you be surprised? Explain.
7.65 What we do when we are sick at home. USA Today (Feb. 15, NW 2007) reported on the results of an opinion poll in which adults were asked what one thing they are most likely to do when they are home sick with a cold or the flu. In the sur- vey, 63% said that they are most likely to sleep and 18% said that they would watch television. Although the sample 10 size was not reported, typically opinion polls include ap- 2e proximately 1,000 randomly selected respondents. mia. Assuming a sample size of 1,000 for this poll, construct a 95% confidence interval for the true percentage of all adults who would choose to sleep when they are at home sick. b. If the true percentage of adults who would choose to sleep when they are at home sick is 70%, would you be surprised? Explain.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Professor is looking for simplicity. Please summarize explanation as best as you can.
Transcribed Image Text:7.65 What we do when we are sick at home. USA Today (Feb. 15,
NW 2007) reported on the results of an opinion poll in which
adults were asked what one thing they are most likely to do
when they are home sick with a cold or the flu. In the sur-
vey, 63% said that they are most likely to sleep and 18%
said that they would watch television. Although the sample
10 size was not reported, typically opinion polls include ap-
2e proximately 1,000 randomly selected respondents.
mia. Assuming a sample size of 1,000 for this poll, construct
a 95% confidence interval for the true percentage of
all adults who would choose to sleep when they are at
home sick.
b. If the true percentage of adults who would choose to
sleep when they are at home sick is 70%, would you be
surprised? Explain.
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