alizeleach0123
10.09.2021 •
Mathematics
A box contains 100 items of which 4 are defective. Two items are chosen at random from the box. What is the probability of selecting (a) 2 defectives if the first item is not replaced; (b) 2 defectives if the first item is put back before choosing the second item; (c) 1 defective and I non-defective if the first item is not replaced?
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