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A random sample of70adults is chosen and their mean serum cholesterol level is found to be203milligrams per deciliter. Assuming that the population standard deviation is

A random sample of70adults is chosen and their mean serum cholesterol level is found to be203milligrams per deciliter. Assuming that the population standard deviation is 40, compute a95% confidence interval for the mean serum cholesterol level for adults.

Question 5 options:

A)

(194,212)

B)

(163,243)

C)

(181,225)

D)

(202,204)

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