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SCORPION-xisa [38]
3 years ago
8

in a box of 12 fuses, there are 3 that are defective. if a quality control engineer tests 4 of these fuses at random, what is th

e probability that he does not find any of the defective fuses?
Mathematics
1 answer:
vladimir1956 [14]3 years ago
6 0
3/12, or 1/4, are defective.
he tests 4/12, or 1/3, fuses.
1/4(1/3) = 1/12 ?

i’m sorry if this is wrong. i’m not good at probability!
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