Originally Posted by

**AwesomeHedgehog** For part c, I'm wondering if I am wording this correctly.

In part a, I got the P(-2.5 < z < 2.5) = 0.9876, meaning that there is a high probability that the sample mean will be within 0.0075 the metal lathe's mean diameter. Then from part b, I got the mean, variance, standard deviation, and range and those values helped support my assumption in part a that P(-2.5 < z < 2.5) = 0.9876.

So, for part c, would it be wrong for me to say that I believe that the metal lathe is properly adjusted?