A Precision Parts Manufacturer Produces Bolts for Use in Military $37.50 \pm 0.25 \mathrm{~cm}$

question 70

Multiple Choice

A precision parts manufacturer produces bolts for use in military aircraft. The specifications for bolt length are $37.50 \pm 0.25 \mathrm{~cm}$ . The company has established an $\bar{x}$ -chart and an $R$ -chart using samples of size five. The centerlines for the $\bar{x}$ chart and $R$ -chart are set at $37.65 \mathrm{~cm}$ and $1.03 \mathrm{~cm}$ , respectively. What is the value of $C_{p}$ for this process?

• A) 0.188
• B) 1.333
• C) 0.301
• D) 0.166

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