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In a survey of520potential jurors, one study found that350were regular watchers of at least one crime-scene forensics television series.
In a survey of520potential jurors, one study found that350were regular watchers of at least one crime-scene forensics television series.(a) Assuming that it is reasonable to regard this sample of520potential jurors as representative of potential jurors in the United States, use the given information to construct a 95% confidence interval for the true proportion of potential jurors who regularly watch at least one crime-scene investigation series. (Use Table 3 inAppendix A. Give the answer to three decimal places.)
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(b) Would a 99% confidence interval be wider or narrower than the 95% confidence interval from Part (a)?
widernarrower