Question 1197943
Previously addressed:
{{{ME = z*sigma/sqrt(n)}}} 
 95% confidence interval:  z = 1.96
{{{ME = 1.96*55/sqrt(341)}}} = 5.84
 189 ± 5.84
We are 95% confident that the mean study time for first year students is between
183.16 minutes and 194.84 minutes.
Round as directed