Multiple Choice
In a manufacturing process a machine produces bolts. The lengths of the bolts follow a normal distribution with an average of 3 cm and a variance of 0.03 cm2. If we randomly select three bolts from this process:
-What is the standard deviation of the sample mean?
A) 03
B) 01
C) 1732
D) 0577
E) 10
Correct Answer:
Verified
Correct Answer:
Verified
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