A box of 500 electric bulbs contains 25 defective bulbs. One bulb is taken out of random from this box. The probability that it is non defective bulbs​

It is know that a box of 600 electric bulbs contains 12 defective bulbs.One bulb is taken out at random from this box.What is the probability that it is a non-defective bulb?

It is known that a box of 600 electric bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. What is the probability that it is a non-defective bulb?

It is known that a box of 200 electric bulbs contains 16 defective bulbs. One bulb is taken out at random from the box. What is the probability that the bulb drawn is (i) defective, (ii) non-defective?

It is known that a box of 100 electric bulbs contains 8 defective bulbs. One bulb is taken out at random from the box. What is the probability that the bulb drawn is (i) defective? (ii) non -defective?

It is known that a box of 200 electric bulbs contains 16 defective bulbs. One bulb is taken out at random from the box. What is the probability that the bulb drawn is (i) defective, (ii) nondefective?

It is known that a box of 800 electric bulbs contains 36 defective bulbs . One bulb is taken at random of the box. What is the probability that the bulb chosen is nondefective ?

A lot of 20 bulbs contains 4 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective?

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?

A lot of 25 bulbs contain 5 defective ones. One bulb is drawn at random from the lot. What is the probability that the bulb is good.

A lot of 60 bulbs contain 12 defective ones. One bulb is drawn at random from the lot. What is the probability that this bulb is defective? Suppose the bulb drawn in first attempt is 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?