A criminologist rode along with patrol officers for severalweeks and recorded the number of minutes police officers spentinterviewing witness at a variety of crime scenes. Using datacollected on a group of 69 patrol officers, she observes an averageinterviewing time of 15 minutes. Assume that the populationstandard deviation σσ is estimated to be 5minutes. (a) What is the best point estimate forthe population mean μμ?
(b) What is the critical zz-value that will need to be usedto calculate a 95%% confidence interval?
(c) What is the error
(d) What is the 95%% confidence interval?
(e) Intrepret your result.
A criminologist rode along with patrol officers for several weeks and recorded the number of minutes police officers spe
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answerhappygod
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