Mathematics, 19.03.2020 09:00 simbupls
1. The Dallas Morning News is running a series of articles to see if the residents of Dallas still support the Mayor's decision to block the Dallas Cowboys from moving into a new Fair Park stadium now that the city of Arlington has had an unprecedented growth. In the 10 years since the new stadium opened, the stadium has brought in far more money for taxpayers than the benefit given to the Cowboys for moving to Arlington, ASRS of 1250 Dallas adults were asked and only 76 said they still support the Mayor's decision.
A) Find the appropriate critical value for the problem
b) What is the margin of error?
c) Construct a 90% confidence interval to estimate the true proportion of residents who still
support the Mayor's decision. Show your work.
d) Is it Plausible that the true proportion is .05?
Answers: 3
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