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In a Manufacturing Process, a Machine Produces Bolts That Have

Question 67

Multiple Choice

In a manufacturing process, a machine produces bolts that have an average length of 3 inches with a variance of .03. If we randomly select three bolts from this process, what is the probability the mean length of the bolt is at most 3.1 inches?


A) 84.13%
B) 100%
C) 71.57%
D) 28.43%
E) 15.87%

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