A random sample of 36 students at a community college showed an average age of 25 years. Assume the ages of all students at the college are normally distributed with a standard deviation of 1.8 years. The 98% confidence interval for the average age of all students at this college is _____.
A) 24.301 to 25.699
B) 24.385 to 25.615
C) 23.200 to 26.800
D) 23.236 to 26.764
