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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
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.
a. What is the standard error of the sample mean?
b. What is the probability that the sample mean will be between 0.99 and 1.01 centimeters?
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