Multiple Choice
A researcher wants to estimate the mean cholesterol level of people in his city.A random sample of 21 people yields a mean cholesterol level of 224 and a standard deviation of 12.Construct a 95% confidence interval.
A) (218.54,229.46)
B) (214.97,233.03)
C) (219.69,228.31)
D) (219.60,228.40)
E) (223.01,224.99)
Correct Answer:

Verified
Correct Answer:
Verified
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