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College alcohol and drug use: In a Washington Post/Kaiser Family Foundation poll

ID: 3325839 • Letter: C

Question

College alcohol and drug use: In a Washington Post/Kaiser Family Foundation poll conducted from January through March 2015, 56% of adults (ages 17-26) who attended college during the past 4 years say that alcohol and drug use at their school is a big problem. The 95% confidence 2 interval is (0.53, 0.59). Which of the following is an appropriate interpretation of the 95% confidence interval? a.Of random samples of the same size, 95% will have between 53% and 59% of respondents who say that alcohol and drug use at their school is a big problem. O b"There is a 95% probability that the proportion of adults (ages 17-26) who attended college during the past 4 years say that alcohol and drug use at their school is a big problem is between 53% and 59%. use at their school is a big problem is between 53% and 59%. during the past 4 years and say that alcohol and drug use at their school is a big problem O c. We are 95% confident that the proportion of the sample who say that alcohol and drug dWe are 95% confident that the proportion of adults (ages 17-26) who attended college is between 53% and 59%.

Explanation / Answer

Option d is the correct answer.

We are 95% confident that the proportion of adults(aged 17-26)who attended college during the last 4 years and say that alcohol and drug abuse at their school is a huge problem is between 53% and 59%.