Chocolate bars produced by a certain machine are labeled 8.0 ounces.The distribution of the actual weights of these chocolate bars is claimed to be Normal with a mean of 8.1 ounces and a standard deviation of 0.1 ounces.The quality control manager plans to take a simple random sample of size n from the production line.How big should n be so that the sampling distribution of has a standard deviation of 0.01 ounces?
A)10
B)100
C)1000
D)This can't be determined unless we know the population follows a Normal distribution.

Question

Chocolate bars produced by a certain machine are labeled 8.0 ounces.The distribution of the actual weights of these chocolate bars is claimed to be Normal with a mean of 8.1 ounces and a standard deviation of 0.1 ounces.The quality control manager plans to take a simple random sample of size n from the production line.How big should n be so that the sampling distribution of  has a standard deviation of 0.01 ounces?
A)10 
B)100 
C)1000 
D)This can't be determined unless we know the population follows a Normal distribution.

Quizplus · Accepted Answer

The Answer of Chocolate bars produced by a certain machine are labeled 8.0 ounces.The distribution of the actual weights of these chocolate bars is claimed to be Normal with a mean of 8.1 ounces and a standard deviation of 0.1 ounces.The quality control manager plans to take a simple random sample of size n from the production line.How big should n be so that the sampling distribution of  has a standard deviation of 0.01 ounces?
A)10 
B)100 
C)1000 
D)This can't be determined unless we know the population follows a Normal distribution.

Chocolate Bars Produced by a Certain Machine Are Labeled 8