Exercise

Calculating A Confidence Interval for a Proportion IV

Your road rage study suggested that a proportion of 0.375 of your sample felt that they had road rage. The 95% confidence interval was from 0.308 to 0.442. What does this mean?

Instructions

50 XP

Possible Answers

95% of people in the population will have road rage between 0.308 and 0.375.
It is unlikely that the road rage proportion in the population is 0.375
We are 95% sure that the road rage proportion in the population will lie between 0.308 and 0.442.
We are 95% sure that the road rage proportion in the population is 0.375.