Multiple Choice
A wine manufacturer is concerned about the percentage of alcohol in each bottle.A random sample of 31 bottles is tested.The average alcohol percentage is 12.58% and the standard deviation is 0.25%.If wine content is normally distributed,the 90% confidence interval for the average wine content is _____.
A) [12.46,12.70]
B) [12.48,12.68]
C) [12.49,12.67]
D) [12.50,12.66]
E) [12.52,12.64]
Correct Answer:

Verified
Correct Answer:
Verified
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