Math, asked by shibu29, 11 months ago

A room has 3 sockets for electric bulbs. From collection of 10 bulbs of which 4 are defective 3 are selected at random and put into the sockets. What is probability that the room will have light from atleast one bulb

Answers

Answered by NVY

2

4 are defective

Total bulbs is 10

So probability is 4/10= 2/5

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