Your first production run yields the following statistics;

Cp upper = 1.77

Cp lower = 1.07

Assume that you cannot adjust the process target. By what proportion do you need to reduce your standard deviation so that the process is six sigma capable

	33.3%
	11.8%
	14.2%
	44.3%
	66.8%
	21.6%
	53.5%
	58.3%