A laboratory tested a simple random sample of twelve chicken eggs and found that the mean amount of cholesterol was 215 milligrams with s = 19.8 milligrams. Assume that the population of these amounts is normally distributed. Construct the 95% confidence interval estimate of the population mean.
A) $199.5 \mathrm { mg }

Question

A laboratory tested a simple random sample of twelve chicken eggs and found that the mean amount of cholesterol was 215 milligrams with s = 19.8 milligrams. Assume that the population of these amounts is normally distributed. Construct the 95% confidence interval estimate of the population mean. 
A) $199.5 \mathrm { mg } < \mu < 230.5 \mathrm { mg }$
B) $209.3 \mathrm { mg } < \mu < 220.7 \mathrm { mg }$
C) $204.7 \mathrm { mg } < \mu < 225.3 \mathrm { mg }$
D) $202.4 \mathrm { mg } < \mu < 227.6 \mathrm { mg }$

Quizplus · Accepted Answer

The Answer of A laboratory tested a simple random sample of twelve chicken eggs and found that the mean amount of cholesterol was 215 milligrams with s = 19.8 milligrams. Assume that the population of these amounts is normally distributed. Construct the 95% confidence interval estimate of the population mean. 
A) $199.5 \mathrm { mg } < \mu < 230.5 \mathrm { mg }$
B) $209.3 \mathrm { mg } < \mu < 220.7 \mathrm { mg }$
C) $204.7 \mathrm { mg } < \mu < 225.3 \mathrm { mg }$
D) $202.4 \mathrm { mg } < \mu < 227.6 \mathrm { mg }$

A Laboratory Tested a Simple Random Sample of Twelve Chicken 199.5mg<μ<230.5mg199.5 \mathrm { mg } < \mu < 230.5 \mathrm { mg }199.5mg<μ<230.5mg

A Laboratory Tested a Simple Random Sample of Twelve Chicken $199.5 \mathrm { mg } < \mu < 230.5 \mathrm { mg }$