University Officials Say That at Least 70% of the Voting

question 20

Multiple Choice

University officials say that at least 70% of the voting student population supports a fee increase. If the 95% confidence interval estimating the proportion of students supporting the fee increase is [0.75,0.85],what conclusion can be drawn?

• A)Seventy percent is not in the interval,so another sample is needed.
• B)Seventy percent is not in the interval,so assume it will not be supported.
• C)The interval estimate is above 70%,so infer that it will be supported.
• D)Since this was not based on the population,no conclusion can be drawn.