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.
- Find a 95% confidence interval for the proportion of all SCSUstudents in favor of a tobacco free campus.
- Interpret the interval in part a.
- Find the error bound of the interval in part a.
- 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.
