In a box containing 15 bulbs, 5 are defective.
If 5 bulbs are selected at random from the box, find the probability of the event, that
(i) None of them is defective
(ii) Only one of them is defective.
(iii) Atleast one of them is defective.

In a box containing 15 bulbs, 5 are defective. If 5 bulbs are selected at random from the box, the probability of the event that (i) none of them is defective is 12/143 (ii) only one of them is defective is 50/143 (iii) atleast one of them is defective is 131/143

In a box containing 15 bulbs, 5 are defective. If 5 bulbs are selected at random from the box, the probability of the event that (i) none of them is defective is 12/143 (ii) only one of them is defective is 50/143 (iii) atleast one of them is defective is 131/143

In a box containing 15 identical bulbs, 5 are defective. If 5 bulbs are drawn at random from the box with replacement, find the probability that (i) none is defective (ii) only one of them is defective (iii) atleast one of them is defective

In a box containing 15 identical bulbs, 5 are defective . If 5 bulbs are drawn at random from the box with replacement , then the probability that none is defective is

Out of 100 bulbs in a box 10 bulbs are defective. Five bulbs are selected at random from it. Then find the probability of an event that selected bulb is of without defect.

Out of 250 bulbs in a box, 35 bulbs are defective. One bulb is taken out at random from the box. Find the probability that the drawn bulb is not defective.

A box contains 100 electric bulbs. Out of them, 10 are defective bulbs. One bulb is taken out at random from this box. What is the probability that it is a non-defective bulb?

A box contains 100 bulbs 20 of which are defective. 10 bulbs are selected for inspection. Find the probability that: i. all 10 are defective ii. all 10 are good ii. at least one is defective iv. none is defective.