Question: Refer to Exercise 54 In exercise To monitor the manufacturing process

Refer to Exercise 54.
In exercise
To monitor the manufacturing process at Skiltron Industries, quality inspectors perform periodic inspections of the units being produced. As a matter of policy, if the process is producing no more than 6% defective units, it is considered “in control” and is allowed to continue unadjusted. If, however, the process is producing at a rate above 6%, it will be considered “out of control” and shut down for readjustment. At 2 P. M. inspectors select a sample of 100 units that have just come off the production line and find nine defectives. Set up a hypothesis test to decide whether the process should be shut down. Use an of 5%. Report and explain your conclusion.
a. Describe what a Type I error would be in this situation.
b. Describe what a Type II error would be in this situation.
c. Describe the consequences of Type I and Type II error here.

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  • CreatedJuly 16, 2015
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