Math, asked by divyesh95, 1 month ago

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7. () A lot of 20 bulbs contain 4 defective ones. One bulb is drawn at random from the lot.
What is the probability that this bulb is defective?
(ii) 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 ?

Answers

Answered by anshikasahu736

0

Answer:

Hence, Probability that the bulb is not defective is 15/19.

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