20. [3] You want to estimate the proportion of community college students in Ore
ID: 3068133 • Letter: 2
Question
20. [3] You want to estimate the proportion of community college students in Oregon that receive arn Associates Degree in 2 years. You conduct a random sample of students in Oregon that have graduated with an Associates Degree. A random representative sample of 1745 students showed that 234 students (13.4%) had graduated within two-years. This information was used to create a 95% confidence interval: (0.118, 0.150). Which statement is correct? a, we are 95% confident that between 11.8% and 15.0% of students in Oregon graduated with an Associate's Degree in 2 years. b, we are 95% confident that our sample proportion (13.4%) is in the interval that was calculated. c. we are 95% confident that 13.4% of Oregon Community College students receive an Associates Degree in 2 years d, 95% of the time the true proportion of students that receive an Associate's Degree in 2 years in Oregon will be in the interval (0.118, 0.150). . Your response is:_ 21, [3] I create two confidence intervals using the same data. One is a 91% confidence interval and another is a 98% confidence interval, which will have a larger margin of error?Explanation / Answer
Q 20
Answer : Option D) 95% of the time the t , roportion of students that receive an Associate's Degress in 2 years in Oregon will be in the interval ( 0.118, 0.150)
Q 21
As the Confidence Interval increases, the margin of error also increases.
Therefore, 98% Confidence Interval have larger margin of error than 91% Confidence Interval.
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