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A contractor purchases a shipment of 100 transistors. It
Chapter , Problem 18(choose chapter or problem)
QUESTION:
A contractor purchases a shipment of 100 transistors. It is his policy to test 10 of these transistors and to keep the shipment only if at least 9 of the 10 are in working condition. If the shipment contains 20 defective transistors, what is the probability it will be kept?
Questions & Answers
QUESTION:
A contractor purchases a shipment of 100 transistors. It is his policy to test 10 of these transistors and to keep the shipment only if at least 9 of the 10 are in working condition. If the shipment contains 20 defective transistors, what is the probability it will be kept?
ANSWER:Step 1 of 2
Given:
Working transistors
Defective transistors
Let be the number of working transistors.