P(A) = .42, P(B) = .58, P(A&B) = .10. Are A and B (statistically) independent?
A team has been asked to reduce the occurrence of a particular defect. They begin by brainstorming all possible causes using a:
The average number of defects is 21.6. Find the upper control limit for the c-chart.
= 0.05
In problem 1, do the data indicate that the population for machine A has a larger standard deviation?
