Answer:
Step-by-step explanation:
Given that the number of vacation days taken by the employees of a company is normally distributed with a mean of 14 days and a standard deviation of 3 days.
Since it is mentioned in general he employees of a company this is population std deviation. Â If sample normally for a sample size of .... this is std deviation would be given.
Sample std deviation is the square root of variance of all the items from the sample mean. Â Thus this is purely arrived from the sample observations taken.
Whereas population std deviation is square root of variance for all the entries in the population.