Confidence intervals for proportions

A question is this type if and only if it requires calculating a confidence interval for a population proportion from sample data.

1 questions

CAIE S2 2002 June Q2

2 The manager of a video hire shop wishes to estimate the proportion of videos damaged by customers. He takes a random sample of 120 videos and finds that 33 of them are damaged. Find a \(95 \%\) confidence interval for the true proportion of videos that are being damaged when hired from this shop.