A study of 80 white mice showed that their average weight was 3.7 ounces. The standard deviation of the population is 0.6 ounces. Which of the following is the 95% confidence interval for the mean weight per white mice?
a. (2.52,4.88)
b. (3.54, 3.86)
c. (3.57, 3.83)
d. (3.39,4.01)