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A survey is given to 300 random SCSU students to determine their opinion of being a...

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Statistics

A survey is given to 300 random SCSU students to determine theiropinion of being a “Tobacco Free Campus.” Of the 300 studentssurveyed, 228 were in favor a tobacco free campus.

  1. Find a 95% confidence interval for the proportion of all SCSUstudents in favor of a tobacco free campus.
  2. Interpret the interval in part a.
  3. Find the error bound of the interval in part a.
  4. The Dean claims that at least 70% of all students are in favorof a tobacco free campus. Can you support the Dean’s claim at the95% confidence level? Justify!

For any Hypothesis Test make sure to state Ho, Ha, Teststatistic, p-value, whether you reject Ho, and your conclusion inthe words of the claim. For any confidence interval make sure thatyou interpret the interval in context, in addition to using it forinference.

Answer & Explanation Solved by verified expert
4.3 Ratings (788 Votes)
THE CONFIDENCE INTERVALCorresponding statistic is given bywhereWe knowSo 95 confidence interval for the proportion of    See Answer
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