Answer:
Cp = 1.667
Cpk = 1.25
The filling process will deliver the customer's specifications since Cp > 1 and Cpk > 1
Explanation:
Given data:
Customer Specification 3.98 4.02
Process Average 4.005
Process Standard Deviation 0.004
<u>Calculate the Cp and Cpk values</u>
Cp = Δ customer specification / ( 6 * std )
= (4.02 - 3.98 ) / ( 6 * 0.04 )
= 0.04 / 0.24 = 0.1667 + 1 = 1.667
Cpk ( upper ) = ( 4.02 - process average ) / ( 3* std )
= ( 4.02 - 4.005 ) / ( 3 * 0.004 ) = 1.25
Cpk ( lower ) = ( process average - 3.98 ) / ( 3 * std )
= ( 4.005 - 3.98 ) / ( 3 * 0.04 ) = 2.083
Cpk = minimum value of Cpk = 1.25
Answer: $147
Explanation:
First find what 40% of $245.00 is:
= 40% * 245
= $98.00
The boots are sold at a discount of 40%. This means that 40% - which is $98 - was deducted from the value.
The selling price is therefore:
= 245 - 98
= $147
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