Question

In an assembly- line operation, 1/3 of the items being produced are defective. If three items are picked at random and tested, what is the probability:
(a) that exactly one of them will be defective?
(b) that at least one of them will be defective?

Answer 1

Answer:

in an assembly line operation 1 by 3 of the items being produced and effective if three atoms are picked at random and tested what is the probability first answer it exactly one of them will be defective 3 times are there so 9 is the probability of defective and the least one of the defect was won by 9