A survey of 200 high school students found that the estimated mean daily screen time was 3.2 hours, with an associated margin of error of 0.4 hours. Which of the following is the best conclusion from these data?
It is likely that all high school students spend between 2.8 and 3.6 hours on screens daily.
It is likely that the mean daily screen time for all high school students is between 2.8 and 3.6 hours.
It is not possible that any high school student spends less than 2 hours on screens daily.
It is likely that most high school students spend exactly 3.2 hours on screens daily.
