We can be 99% confident that the true percentage of U. S. adults Twitter users who get some news through Twitter is between the upper and lower bounds of the confidence interval.

First part of question states;

A poll conducted in 2013 found that the proportion of of U.S. adult Twitter users who get at least some news on Twitter was 0.52 The standard error for this estimate was 0.024, and a normal distribution may be used to model the sample proportion.

True

Step-by-step explanation:

From the statement above and after constructing the 99% confidence interval for the proportion of U.S. adult Twitter users we can infer that the 95% confidence upper and lower bounds are 0.52 and 0.79, which means that there's a 99% confident that the true percentage of U.S. adults Twitter users who get some news through Twitter is between the upper and lower bounds of the confidence interval.

answer: i'm not sure

step-by-step explanation: