Question

as part of an insurance companys training program, particupaants learn how to conduct an analysis of clients insurability. the goal is to have participants achieve a time in the range of 32 to 47 minutes. armand a mean of 37, and a standard deviation of 3.0, jerry a mean of 37.0 minutes and a standard deviation of 2.0. melissa a mean of 39.5 minutes and a standard deviation of 1.8 minutes.

cpk? cp? and if they are capable

Answer 1

Answers in BOLD:

LCL=32, UCL= 47

Process is capable is Cp is more than 1

	mean	Standard deviation-sd	Cp= (UCL-LCL)/6sd	Cpk= Min [(mean-LCL)/3sd; (UCL-mean)/3sd]	Capability
Armand	37	3	0.8333	0.5556	Not capable
Jerry	37	2	1.2500	0.8333	Capable
Melissa	39.5	1.8	1.3889	1.3889	Capable