**11. Correct. The answer is
false**

Given the confidence interval for 95 % which is

_{}, also given the following parameters _{}, _{}, _{}

Using the 95% Level of confidence z = 1.96

95% confidence interval for m is _{}

and therefore _{}

Interpretation:

For 95% of the samples the true population mean (_{}) lies in the interval _{}.

Or the average number of days off sick for employees in the population is
likely to be between 7.71 and 8.69.