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An Internet survey asked 525 Facebook users whether the amount of time they spent using Facebook was increased over the past year. The response of the survey is "Increase", with values "Yes" and "No". Additionally, gender information was collected in the survey. The data is summarized in the following table. Gender X p= X/n Female 292 47 0.1610 Male 233 21 0.0901 Total 525 68 0.1295 In the table, the n column gives the sample size for each group, X column gives the number of users who increased their use of Facebook over the past year, and p column gives the sample proportion. (a) male who increased their time spent on Facebook over the past year. Keep the 4th decimal place in your numerical answer. Find the 95% confidence interval for the difference between the proportion of female and that of

An Internet survey asked 525 Facebook users whether the amount of time they spent using Facebook was increased over the past year. The response of the survey is "Increase", with values "Yes" and "No". Additionally, gender information was collected in the survey. The data is summarized in the following table. Gender X p= X/n Female 292 47 0.1610 Male 233 21 0.0901 Total 525 68 0.1295 In the table, the n column gives the sample size for each group, X column gives the number of users who increased their use of Facebook over the past year, and p column gives the sample proportion. (a) male who increased their time spent on Facebook over the past year. Keep the 4th decimal place in your numerical answer. Find the 95% confidence interval for the difference between the proportion of female and that of

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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5. [Facebookj An Internet survey asked 525 Facebook users whether the amount of time they spent using Facebook was increased over the past year. The response of the survey is "Increase", with values "Yes" and "No". Additionally, gender information was collected in the survey. The data is summarized in the following table. Gender X p= X/n n Female 292 47 0.1610 Male 233 21 0.0901 Total 525 68 0.1295 In the table, the n column gives the sample size for each group, X column gives the number of users who increased their use of Facebook over the past year, and p column gives the sample proportion. (a) male who increased their time spent on Facebook over the past year. Keep the 4th decimal place in your numerical answer. Find the 95% confidence interval for the difference between the proportion of female and that of
Transcribed Image Text:5. [Facebookj An Internet survey asked 525 Facebook users whether the amount of time they spent using Facebook was increased over the past year. The response of the survey is "Increase", with values "Yes" and "No". Additionally, gender information was collected in the survey. The data is summarized in the following table. Gender X p= X/n n Female 292 47 0.1610 Male 233 21 0.0901 Total 525 68 0.1295 In the table, the n column gives the sample size for each group, X column gives the number of users who increased their use of Facebook over the past year, and p column gives the sample proportion. (a) male who increased their time spent on Facebook over the past year. Keep the 4th decimal place in your numerical answer. Find the 95% confidence interval for the difference between the proportion of female and that of
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