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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
61.   A cola-dispensing machine is set to dispense 9.00 ounces of cola per cup, with a stan- dard deviation of 1.00 ounces. The manufacturer of the machine would like to set the control limit in such a way that, for samples of 36, 5 percent of the sample means will be greater than the upper control limit, and 5 percent of the sample means will be less than the lower control limit.
a.   At what value should the control limit be set?
b.  What is the probability that if the population mean shifts to 8.9, this change will not be detected?
c.   What is the probability that if the population mean shifts to 9.3, this change will not be detected?
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