Mathematics, 13.03.2020 00:01 ceburns23
In 2014, a marketing firm collected survey data by asking respondents: "Do you trust consumer opinions posted online?" Of 350 surveyed, 238 said yes. Construct a 95% confidence interval.
Research from some 2007 advertising reports suggest trust in online opinions was about 61%. Based on the survey data,
A. Trust in opinions posted online has not increased as the confidence interval based on the recent data includes 61%
B. Trust in opinions posted online has not increased as the confidence interval based on the recent data does not include 61%
C. Trust in opinions posted online has increased as the confidence interval based on the recent data does not include 61%
D. Trust in opinions posted online has increased as the confidence interval based on the recent data includes 61%
Answers: 3
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