Question

17. (1) 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?
(11) Suppose the bulb drawn in (1) 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 ?
Please answer the question relevant and fast...
And the one who give me the right answer I will mark him Brainiest​

Answer 1

Answer:

(1) 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?

(11) Suppose the bulb drawn in (1) 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 ?

Please answer the question relevant and fast...

And the one who give me the right answer I will mark him Brainiest