A random sample of 36 patients had an average systolic blood
pressure of 123.5 mm Hg. If the population standard deviation is
10.2 mm Hg, what is the 99% confidence interval for the population
mean?
A. (120.7,126.3)
B. (97.2,149.8)
C. (119.1,127.9)
D. (120.2,126.8)