Question

12. Confidence Interval: The article CSI Effect Has Juries Wanting More Evidence examines how the popularity of crime-scene investigation television shows is influencing jurors of what evidence should be produced at found tha Assume that it is reasonable to r potential jurors in the US. jurors expectations a trial. In a survey of 500 potential jurors, one study t 350 were regular watchers of at least one crime-scene forensics television series. egard this sample of 500 potential jurors as representative of (a) (2 points) Find the point of estimate (P) of regular watchers of at least one crime-scene forensics television series. a) 350 b) 500 c) 30% d) 70% e) 50% (b) (4 points) Find the margin of error for a 95% confidence level. c) 0.045 d) 0.032 a) 0.02 b) 0.039 (c) (4 points) Use the given information from part a) and b) to construct a 95% confidence interval for the proportion of all potential jurors who regularly watch at least one crime- scene investigation. a) 66.1% < P < 73.9% b) 60% < P < 80% c) 65.5% < P < 77.5% d) 661% < p < .739% (d) (2 points) Base on the confidence interval from part ( c ) is it possible that 72% of potential jurors regularly watches at least one crime-scene forensics television series.

Answer 1

d.

Since, the interval includes 72% in it, so we say that 72% of potental juniors regularly watches at least one crime-scene forensics television series.