Suppose that a committee is studying whether or not there is waste of time in our judicial system. It is interested in the mean amount of time individuals waste at the courthouse waiting to be called for jury duty. The committee randomly surveyed81 peoplewho recently served as jurors. The sample mean wait time waseighthours with a sample standard deviation oftwohours.

(i) Enter an exact number as an integer, fraction, or decimal.

x=hrs

(ii) Enter an exact number as an integer, fraction, or decimal.

s_x=hrs

(iii) Enter an exact number as an integer, fraction, or decimal.

n=

(iv) Enter an exact number as an integer, fraction, or decimal.

n1 =

Which distribution should you use for this problem? (Enter your answer in the formzort_dfwheredfis the degrees of freedom.)

Construct a 95% confidence interval for the population mean time wasted.

(i) State the confidence interval. (Round your answers to two decimal places.)

,hrs

(ii) Sketch the graph. (Round your answers to two decimal places. Enter your/2 to three decimal places.)

(iii) Calculate the error bound. (Round your answer to two decimal places.)

hrs