At a Computer Manufacturing Company, the Actual Size of Computer

question 91

Multiple Choice

At a computer manufacturing company, the actual size of computer chips 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) 0.120
• D) 0.091

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