26. Catheters. During an angiogram, heart problems canbe

Chapter 23, Problem 26

(choose chapter or problem)

26. Catheters. During an angiogram, heart problems canbe examined via a small tube (a catheter) threaded intothe heart from a vein in the patients leg. Its importantthat the company that manufactures the catheter maintaina diameter of 2.00 mm. (The standard deviation isquite small.) Each day, quality control personnel makeseveral measurements to test againstat a significance level of . If theydiscover a problem, they will stop the manufacturingprocess until it is corrected.a) Is this a one-sided or two-sided test? In the context ofthe problem, why do you think this is important?b) Explain in this context what happens if the qualitycontrol people commit a Type I error.c) Explain in this context what happens if the qualitycontrol people commit a Type II error.