Mathematics, 30.07.2020 01:01 toni59
Social Networking Sites
In a survey of 2255 randomly selected US adults (age 18 or older), 1787 of them use the Internet regularly. Of the Internet users, 1054 use a social networking site.7 Find and interpret a 95% confidence interval for each of the following proportions:
(a) Proportion of US adults who use the Internet regularly.
(b) Proportion of US adult Internet users who use a social networking site.
(c) Proportion of all US adults who use a social networking site. Use the confidence interval to estimate whether it is plausible that 50% of all US adults use a social networking site.
Answers: 2
Mathematics, 21.06.2019 17:40
Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?
Answers: 1
Mathematics, 21.06.2019 18:50
The trigonometric ratios sine and secant are reciprocals of each other
Answers: 2
Mathematics, 21.06.2019 22:30
What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4
Answers: 1
Mathematics, 21.06.2019 23:00
*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.
Answers: 3
Social Networking Sites
In a survey of 2255 randomly selected US adults (age 18 or older), 1787 of...
History, 25.10.2019 19:43
Geography, 25.10.2019 19:43
Mathematics, 25.10.2019 19:43
Mathematics, 25.10.2019 19:43
Mathematics, 25.10.2019 19:43
Mathematics, 25.10.2019 19:43
English, 25.10.2019 19:43
Chemistry, 25.10.2019 19:43
Social Studies, 25.10.2019 19:43
English, 25.10.2019 19:43
Mathematics, 25.10.2019 19:43