Math, asked by ka9939210, 1 month ago

A box contains 12 electric lamps out of which 5 are defective. If 3 lamps are taken at random. What will be the expected number of defective lamps?

Answers

Answered by paolinadasgupta

1

Answer:

Answer. hence the probability of getting defective lamps in his selection is 5/12.

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