Aluminum Castings Are Processed in Lots of Five Each

question 43

Multiple Choice

Aluminum castings are processed in lots of five each.A sample of two castings is randomly selected from each lot for inspection.A particular lot contains one defective casting; and x is the number of defective castings in the sample.P(x=0) is _______.

• A)0.2
• B)0.4
• C)0.6
• D)0.8
• E)1.0