(Choose 1 answer)
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.Above what value do 2.5% of the sample means fall?
Let P(Z < -1.959) = 0.025, P(Z < 1.002) = 0.842, P(Z < 1.957) = 0.975 and P(Z < 1.529) = 0.937.
Α. 0.994
B. 1.002
C. 1.057
D. 1.529
E. None of the other choices is correct
Π
2: 8
