Mathematics, 07.03.2020 00:09 Apple557
In early 2012, the Pew Internet and American Life Project asked a random sample of U. S. adults, "Do you ever ... use Twitter or another service to share updates about yourself or to see updates about others?" According to Pew, the resulting 95% confidence interval is (0.123, 0.177). Does this interval provide convincing evidence that the actual proportion of U. S. adults who would say they use Twitter differs from 0.16? Justify your answer.
Answers: 3
Mathematics, 21.06.2019 15:30
Astore manager records the total visitors and sales, in dollars, for 10 days. the data is shown in the scatter plot. what conclusion can the store manager draw based on the data? question 3 options: an increase in sales causes a decrease in visitors. an increase in sales is correlated with a decrease in visitors. an increase in visitors is correlated with an increase in sales.
Answers: 1
Mathematics, 21.06.2019 19:00
What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2
Answers: 2
Mathematics, 22.06.2019 01:30
The winner of a golf tournament made five putts for birdies. the lengths of these putts are in the table shown. what is the total distance of the putts in the yards, feet, and inches?
Answers: 1
Mathematics, 22.06.2019 02:10
What are the solutions of the equation x4 + 6x2 + 5 = 0? use u substitution to solve.
Answers: 1
In early 2012, the Pew Internet and American Life Project asked a random sample of U. S. adults, "Do...
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