A fuse box contains 20 fuses of which 5 are defective. If 2 fuses are selected at random and removed from the box in succession without replacing the first, determine the probability that both are defective.

EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN:9781337516549
Author:Simmons
Publisher:Simmons
Chapter28: Overcurrent Protection–fuses And Circuit Breakers
Section: Chapter Questions
Problem 8R: List the standard sizes of fuses and circuit breakers up to and including 100 amperes. ____
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A fuse box contains 20 fuses of which 5 are defective. If 2 fuses are selected at random and removed from the box in succession without replacing the first, determine the probability that both are defective.
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