Question

A university warehouse has received a shipment of 25 printers, of which 10 are laser printers and 15 are inkjet models. if 6 of these 25 are selected at random to be checked by a particular technician, what is the probability that exactly 3 of those selected are laser printers (so that the other 3 are inkjets)?

Answer 1

search in google please.

Answer 2

no of ways of selecting 6 outvof 25=25C₆
no of ways of selecting 3 laser and 3 inkjet=10C₃ *15C₃
probalility=[10C₃ *15C₃]/25C₆
solve it to get answer
if doubt then comment
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