Given the following probabilities
1 or more defects = .70
2 or more defects = .35
3 or more defects = .15
4 or more defects = .03
What is the probability of 2 or fewer defects?

Which of the following nondestructive testing methods can be used to evaluate sub-surface discontinuities in aluminum bar stock?
. Microwave.
. Magnetic particle.
. Pulse echo.
. Eddy current.

Given the data below, what is the 90% confidence interval for the variance?
22, 23, 19, 17, 29, 25

The difference between setting alpha equal to 0.05 and alpha equal to 0.01 in hypothesis testing is

The term "quality audit" can refer to the appraisal of the quality system of
I. An entire plant or company.
II. One product.
III. One major quality activity.