Question: The process is 9 0 % confidence interval and it is normally distributed as for x~ N ( 5 0 , 1 . 5 )

The process is 90% confidence interval and it is normally
distributed as for x~ N(50,1.5).
Required:
i. Calculate Upper and Lower specification Limits given that Z5%=
1.64
ii. Calculate the Process Capability Indices and comment on the
process capability

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