A. 0.73
B. 0.63
C. 0.28
D. 0.36
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 probability that the sample mean will be between 0.99 and 1.01 centimeters?
Let P(Z < 0.1) = 0.54, P(Z < 0.346) = 0.64, P(Z -0.346) = 0.36.
