Question

Overtime Hours Worked A random sample of 15 registered nurses in a large hospital showed that they worked on average 44.6

hours per week. The standard deviation of the sample was 2.3. Estimate the mean of the population with 99% confidence.
Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final
answers to one decimal place.

Answer 1

With 99% confidence we can say that the mean of the population is between 43.1 and 46.1

Explanation: