Mathematics, 06.08.2021 15:50 heyyyyy39

A consumer group wishes to estimate the proportion of adult Twitter users that get at least some news on Twitter. A poll is conducted and it is found that from a SRS of 1251 adult Twitter users, 641 of them get at least some news on Twitter. You will be finding a 90% confidence interval for the fraction of adult Twitter users who get some news on Twitter. Required:
a. Check that the normality assumptions are met?
b. What is the 90% confidence interval for the proportion of adult Twitter users that get at least some news on Twitter. Round to 4 decimal places.
c. Interpret the confidence interval obtained.

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A consumer group wishes to estimate the proportion of adult Twitter users that get at least some new...