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IRISSAK [1]
4 years ago
8

A box contains 10 ​transistors, 3 of which are defective. If 3 are selected at​ random, find the probability that a. All are def

ective. b. None are defective.
Mathematics
2 answers:
bixtya [17]4 years ago
6 0
3/10(2/9)(1/8)

3/10(3/9)(3/8)
kherson [118]4 years ago
5 0
A) 3/10 x 2/9 x 1/8= 1/120

b) 1-1/120=119/120
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