Q. 17 B 4.0( 95 Votes )

Suppose the bulb drawn in (i) is not defective and is not replaced. Now one bulb is drawn at random from the rest. What is the probability that this bulb is not defective?

Answer :

Remaining total number of bulbs = 19

Remaining total number of non-defective bulbs = 16 - 1

= 15

P (obtaining a not defective bulb)



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