In the example comparing classical and rock music preferences under ‘Detail of proposed analysis’, above, what would the confidence intervals be if the sample size was 4,000? Examine the results from...

In the example comparing classical and rock music preferences under ‘Detail of proposed analysis’, above, what would the confidence intervals be if the sample size was 4,000?

Examine the results from a national cultural participation survey or a published survey of visitors to a major event and produce confidence intervals for a number of the key findings.