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A box contains 15 ​transistors, 4 of which are defective. If 4 are selected at​ random, find the probability of the statements below. a. All are defective b. None are defective
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A box contains 15 ​transistors, 4 of which are defective. If 4 are selected at​ random, find the probability of the statements below.

a. All are defective
b. None are defective

User Beth Skurrie
by
8.0k points

1 Answer

7 votes
A. They are all defective because you don’t which ones are and which aren’t defective.
User Rovy
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