A multiple choice test question is considered easy if at least 80% of the responses are correct. A sample of 6503 responses to one question indicates that 5463 of those responses were correct. Construct the 99% confidence interval for the true proportion of correct responses. Is it likely that this question is really easy?
The t Distribution table can be found here: elementary-statistics-by-Bluman-8th-Edition (page 786 from the book OR 825 of 943 from the pdf).
The t Distribution table can be found here: elementary-statistics-by-Bluman-8th-Edition (page 786 from the book OR 825 of 943 from the pdf).