A lot is known to be 1.2% defective. Five units are randomly selected from the lot, and the lot is accepted if 1 or fewer defects are found. What is the probability of the lot being rejected?

The steeper the OC-curve, the

The following measurements for a sample with dimension X are representative of a process known to be in statistical control
42, 52, 64, 45, 53, 56, 70, 57, 49, 62
Which of the following values BEST approximates the upper and lower control limits of the process capability.

What is the standard deviation of the values below?
4.5, 5.1, 6.2, 2.1, 3.9

Which of the following would be the MOST important considerations when establishing inspection points within a production operation?
I. Inspection to prevent defects from entering the system.
II. Inspection after all operations (both manual and automated).
III. Inspection prior to a painting or masking operation.