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

question 115

Multiple Choice

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

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Definitions:

Exponentiation

A mathematical action that consists of elevating a number to the exponent of another number.

Addition

Addition is the mathematical process of combining two or more quantities to find their total or sum.

Division

The arithmetic operation of dividing one quantity by another, resulting in a quotient and sometimes a remainder.

Multiplication

An arithmetic process that involves multiplying two numbers to achieve their resultant multiplication.