9. Concider a shipment of 50 laptops of which four are defective. In how many ways can we select four non-defective laptops? а. b. How many ways can we select four laptops in which at least one of the laptops is defective?
9. Concider a shipment of 50 laptops of which four are defective. In how many ways can we select four non-defective laptops? а. b. How many ways can we select four laptops in which at least one of the laptops is defective?
Chapter8: Sequences, Series,and Probability
Section8.6: Counting Principles
Problem 5ECP: How many permutations of the letters W, X, Y, and Z are possible?
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Solve question 9both parts and take a thumb up plz
Transcribed Image Text:9.
Consider a shipment of 50 laptops of which four are defective.
In how many ways can we select four non-defective laptops?
а.
b. How many ways can we select four laptops in which at least one of the laptops is
defective?
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