A shopkeeper has 13 washing machines out of which 5 are defective. a customer buys 3 washing machine. what is the probability that exactly one machine is defective?
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1/3 is answer ..
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hope it helps u
Jayant246:
1/3
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Hiii!!!❤
Total no. of machines=13
No. of defective machines=5
No. of correctly working washing machines=13-5=8
He bought 3 machines
So the probability is of 1/3
Total no. of machines=13
No. of defective machines=5
No. of correctly working washing machines=13-5=8
He bought 3 machines
So the probability is of 1/3
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