(Answered) Mean cholesterol content of all such eggs

Statistics

Problem: A laboratory tested 40 chicken eggs and found that the mean amount of cholesterol was 201 milligrams. It is known that the standard deviation of all such chicken eggs is σ = 14.3 milligrams.

Construct a 95 percent confidence interval for the true mean cholesterol content of all such eggs.

a. 197.3 < μ < 204.7

b. 192.0 < < 210.0

c. 196.6 < μ < 205.4

d. 196.4 < μ < 205.6

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