Multiple Choice
In a manufacturing process,a random sample of 36 bolts has a mean length of 3 inches with a standard deviation of .3 inches.What is the 99 percent confidence interval for the true mean length of the bolt?
A) 2.902 to 3.098
B) 2.884 to 3.117
C) 2.864 to 3.136
D) 2.228 to 3.772
E) 2.802 to 3.198
Correct Answer:
Verified
Correct Answer:
Verified
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