At a Computer Manufacturing Company,the Actual Size of a Computer

question 27

Multiple Choice

At a computer manufacturing company,the actual size of a computer chip is normally distributed with a mean of 1 centimeter and a standard deviation of 0.1 centimeter.A random sample of 12 computer chips is taken.What is the standard error for the sample mean?

• A)0.029
• B)0.050
• C)0.091
• D)0.120

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