How to construct a confidence interval for the proportion, an example

In this video, we solve an example problem that asks for a confidence interval to estimate the true proportion.
This video is part of the content available for free at www.statsprofe...

[@Triadii]

I found this helpful in answering a question. Quite a lot for 3 marks. In the teachings I had I never seen that formula for E. Then we were asked to do a question and the formula was used... what?🤔

[@surajsingh-dp9pn]

thanks