SOLUTION: A tray of electronic components contains 15 components, 4 of which are defective. If 4 components are selected, what is the possibility for the following All four are defective.

Question 1021031: A tray of electronic components contains 15 components, 4 of which are defective. If 4 components are selected, what is the possibility for the following
All four are defective.
Three are defective, and one is good.
None are defective.
Explain the differences in the solution process for each of the scenarios
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
You can use a shortcut for the first and last.

For the middle one, you need the entire formula,

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