A random sample of n = 85 police cadets are selected from the population of this year s class. Which of the following distributions definitely will be normal?
The ages of the cadets in the sample will form a normal distribution.
Neither the sample, the population, nor the distribution of sample means will definitely be normal.
The distribution of sample means (of the average ages of the cadets) will form a normal distribution.
The ages of the cadets in the population will form a normal distribution.