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 standard deviation of the sampling distribution of the sample mean?
A) .03
B) .01
C) .1732
D) .0577
E) .10
Correct Answer:
Verified
Correct Answer:
Verified
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