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

A survey is given to 300 random SCSU students to determine their opinion of being a “Tobacco Free Campus.” Of the 300 students surveyed, 230 were in favor a tobacco free campus.
a. Find a 95% confidence interval for the proportion of all SCSU students in favor of a tobacco free campus.
b. Interpret the interval in part a.
c. Find the error bound of the interval in part a.
d. The Dean claims that at least 70% of all students are in favor of a tobacco free campus. Can you support the Dean’s claim at the 95% confidence level? Justify!


Math   Statistics-And-Probability   
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