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Help with statistics?

So I've been struggling with this homework problem for awhile and I'm not sure how to compute it due to my professors lack of teaching. If anyone could help me along on how to find the answer that would be greatly appreciated! :smile:

5. We developed a confidence interval in class for the population proportion p based on the sample proportion p^. Suppose however we wanted to develop a confidence interval for the total number of successes T, in a Binomial experiment where T/n=p. What might you use as an estimator for T and what would the resulting confidence look like? Now use your result to prepare a 95% confidence interval for the total number of heads that you might expect to see, if you flip an unknown coin 1000 times and obtain 535 heads.

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